clm-97a4ca33a43bbfd2
quantitative
A driverless elevated light rail line opened in September 2011
📖 Deep dive
Busan-Gimhae Light Rail and Its Revenue Guarantee
A driverless railway opened between Busan and Gimhae in 2011 against a forecast of 176,358 riders a day. About 30,000 came. Fifteen years later the two cities have paid 906.8 billion won and owe at least a trillion more — for a line that works exactly as built.
This overview was generated with AI from the public sources listed below and checked against them before publication. It has not had a complete human fact-check — treat it as a starting point and follow the sources.
51 sourced claims on this page, none individually verified yet — turn on “Sources in the text” to see each one.
How this atlas is made · What “last verified” means · What “source-checked” means · The full record behind this page
✎ Corrected 11 Oct 2026 Operator changed. · 3 revisions in all What changed →
Marks every sourced claim in the text — click a mark to see the source behind it.
- What happened
- A driverless elevated railway opened between Busan and Gimhae in September 2011, built by a private consortium under a thirty-year concession whose contract promised the operator a minimum income. That promise was written against a national institute’s forecast of 176,358 riders a day. About thirty thousand came. The trains have run as designed ever since; it is the number underneath the contract that failed.
- What the evidence shows
- By 2024 the line carried 45,821 riders a day — 14.9 percent of the 306,000 that same forecast had promised for that year. Busan and Gimhae paid 906.8 billion won in support between 2011 and 2025 — roughly 640 million US dollars — and are contractually liable for at least 1.0898 trillion won more (about 770 million dollars) through 2041. The figures come from Korean broadcast and regional press and from the cities’ own statements to the press; no independent audit of the original forecast has been published.
- What's still open
- Nobody has published who at the Korea Transport Institute produced the forecast, or whether the on-board attendants were ever withdrawn, or who owns the concession company today. In Yongin, a former mayor was held personally liable for a comparable light rail forecast. For this line, the record shows no equivalent.
Outcome📉 Scaled back
Evidence🏛️ Official
what does this mean?
The strongest source is the operator's or the city's own reporting — an official report, dataset or press release. It grades who did the looking — not how well the project went. All four grades →Scale🗺️ Regional
FundingPrivate concession; public support shared Gimhae 63.19% / Busan 36.81%
Part of 1001 Smart Cities — 1,216 documented projects · 🏙️ 9 more in Busan · 🚌 Public transport guide · 🚲 Mobility projects
There is nothing to see in the cab, because there is no cab. The two-car trains that shuttle between Sasang in western Busan and Gimhae run fully automated, with no driver, on an elevated guideway. The line is 23.9 km long and has 21 stations. It opened in September 2011 and has been running ever since.
It is also one of several costly light rail forecasts in South Korean local government — and the mistake is not in the railway.
176,358riders a day forecast for the opening year by the Korea Transport Institute
30,084riders a day, on average, in its opening year
906.8bn wonpaid by Busan and Gimhae in support between 2011 and 2025 (about $640m)
≥1.0898tn wonthe two cities remain contractually liable for through 2041 (about $770m)
The number that wrote the contract
Korean light rail of this generation was built through a concession model: a private consortium designs, finances and builds the line, transfers ownership to the public authority, and operates it for a fixed term. The private side will only accept that deal if the revenue is predictable — so the public side guarantees it. The instrument is called a minimum revenue guarantee, and its entire logic rests on one input: how many people the forecast says will ride.
For this line the forecast came from the Korea Transport Institute, the state's own transport research body. It projected 176,358 riders a day in the opening year, rising to 322,545 by 2031. Those numbers went into the contract, and the contract turned them into an obligation: whatever the fare box failed to deliver against them, the two cities would make up.
In its opening year the line averaged 30,084 riders a day. Nothing about the railway had gone wrong. The catchment simply did not contain the people the forecast had placed in it.
It is worth pausing on how that figure travels. The English-language Wikipedia article on this line describes 176,000 a day as the system's design capacity, which reads as an engineering specification — a ceiling, a thing the railway can do. It is not. It is the demand forecast, the number somebody expected to actually show up, and the near-identity of the two figures is the tell. A capacity ceiling and a demand projection landing within four hundred riders of each other is not a coincidence; it is the same number wearing a different label. Read as capacity, the line looks merely underused. Read as forecast, it is the whole story.
Fifteen years in eight dates
| When | What happened | Who says so |
|---|---|---|
| Sep 2011 | The line opens; 30,084 riders a day against a forecast of 176,358 | Regional press (Gyeongnam Domin Ilbo) |
| 2011 | First year of support payments — of the order of one billion won | Regional press |
| Mar 2017 | The minimum revenue guarantee is replaced by a cost-compensation arrangement running to 2041 | Regional press / Busan city |
| 2020 | Gimhae alone pays 48.6bn won (about $34m); ridership 34,752 against a forecast of 272,220 | Press (Busan Ilbo) |
| Sep 2021 | Ten-year mark: Gimhae pays more than 40 billion won a year to the operator | Press (Busan Ilbo) |
| 2024 | Ridership 45,821 a day — 14.9% of the 306,000 forecast for the year | Broadcast (SBS) |
| 2024 | Annual support payment of 84.1bn won (about $60m) | Broadcast (SBS) |
| Dec 2025 | Gimhae's accumulated light rail liability is national news | Press (Kyunghyang Shinmun) |
What a revenue guarantee actually promises
The guarantee did not promise the operator a profit. It promised that a gap between forecast and fare box would be filled from the public purse — which means the two cities did not take on the risk that the railway would break down or be badly run. They took on the risk that a state institute's forecast was wrong. That risk has no engineering remedy. Running more trains cannot fix it, and neither can running fewer.
The bill grew in the shape you would expect from an obligation indexed to a gap that never closes. Gimhae's support payment for 2020 alone was 48.6 billion won (about $34 million), against ridership of 34,752 a day where the forecast had promised 272,220. By 2024 the annual payment across both cities had reached 84.1 billion won (about $60 million). The two are not equal partners in this: Gimhae carries 63.19 percent of the cost and Busan 36.81 percent — the smaller city, with the smaller budget, holds the larger share.
Across the whole period the totals are these. Busan and Gimhae paid 906.8 billion won in support payments over 2011-2025 (about $640 million), split 572.4 billion from Gimhae and 334.4 billion from Busan, and they are contractually liable for at least 1.0898 trillion won more through 2041 (about $770 million). The larger number is still in the future. It belongs to the agreement the cities renegotiated in 2017, which binds them until 2041.
2017: the deal changed, the bill did not stop
By the middle of the decade the annual payments had grown past what either council could absorb quietly, and the cities went back to the table. The original minimum revenue guarantee ran from September 2011 to March 2017, when it was replaced by a cost-compensation arrangement running through 2041. The distinction matters and is routinely lost in summary: a revenue guarantee tops up income against a forecast, while cost compensation covers the operator's costs against what it actually earns. The second is cheaper for the public side because it is no longer chained to a number that was wrong in 2011 and has stayed wrong.
It was cheaper, and it was not cheap. The renegotiation cut the projected remaining burden by roughly 304 billion won (about $215 million) — in the framing used in the regional coverage, from something on the order of 1.8 trillion won down to about 1.49 trillion, or roughly 1.3 billion dollars down to 1.05 billion. Some three hundred billion won is a genuine saving, and it is also an admission: after six years the cities were negotiating not over whether to pay, but over how much of a thirty-year mistake they could buy back.
The line itself is fine
It would be easy, and wrong, to file this under failed technology. The automation works. The trains are two-car sets built by Hyundai Rotem and they run the timetable. Ridership has not collapsed; it has grown, though not steadily — it peaked at 51,654 a day in 2017, fell back in the pandemic, and has risen from 30,084 a day at opening to 45,821 in 2024. On any measure that does not involve the contract, this is a modest, functioning piece of public transport serving a corridor that genuinely needed one.
That is precisely what makes it useful. A smart-city failure is usually legible: the sensors stop reporting, the app is switched off, the pilot never becomes a service. Here nothing switched off. The instrument that failed was a projection, and projections do not visibly break. They simply sit inside a contract, quietly converting an optimistic afternoon of modelling into a thirty-year transfer from two municipal budgets to a private consortium.
Busan-Gimhae is not alone
The pattern repeats across the same generation of Korean light rail. Uijeongbu's light rail, which opened in 2012, carried well under half its projected ridership and costs its city on the order of 20 billion won a year (about $14 million). And in one case the question of responsibility was actually put to a court: in Yongin, a former mayor's liability in damages over the city's light rail was confirmed by the Supreme Court. That remains the exception in this genre — a forecast with a named person attached to its consequences.
For Busan-Gimhae, the record contains no equivalent. The forecast was produced by a state institute, adopted into a contract by two city governments, and is now paid for annually by both. Everyone in that chain acted within their remit. The bill arrives regardless, and will keep arriving until 2041.
📊 Impact
Busan and Gimhae paid 906.8 billion won in support payments over 2011-2025 (Gimhae 572.4bn, Busan 334.4bn) and are contractually liable for at least 1.0898 trillion won more through 2041. Daily ridership in 2024 was 45,821, or 14.9% of the 306,000 forecast for that year. A 2020 refinancing, in which Busan City issued 150.8 billion won of asset-backed securities at 2.3%, was expected to save about 12.9 billion won through 2041. As of September 2025 the national government gave no financial support toward the deficit: the Urban Railroad Act allows it only administrative support. In September 2026 Gimhae's mayor asked the National Assembly for more national funding for the line in the 2027 budget.
Sources
↗ Gyeongnam Domin Ilbo — the light rail that eats moneyPublished 10 September 2025 · updated 11 September 2025Gyeongnam Domin Ilbo's 14-year review of the line: the Korea Transport Institute projected 176,358 riders/day at the 2011 opening, 211,147 by 2014 and 322,545 by 2031; average daily ridership at opening was 30,084; the 2017 peak was 51,654/day, ridership fell to the 34,000s in 2020 and stood at 45,932/day in 2024; 2024 support payments of 84.2bn won (Gimhae 53.0bn, Busan 31.2bn); cost-sharing of 63.19% (Gimhae) and 36.81% (Busan); the MRG ran from September 2011 to March 2017 and was replaced in April 2017 by 25-year cost compensation (MCC) to 2041, cutting the public burden from 1.7963tn to 1.4919tn won (by 304.4bn); and the national government gives no financial support toward the deficit, because the Urban Railroad Act allows it only administrative support.
↗ Busan Metropolitan City press release — minimum revenue guarantee abolished (5 April 2017)Busan city announcement of 5 April 2017: Busan, Gimhae and the transport ministry signed a revised agreement on the 24th of the previous month, in force since 1 April; the minimum revenue guarantee (MRG) is abolished and replaced by minimum cost compensation (MCC), which tops up actual operating revenue to an agreed cost level; the concessionaire, operating company and maintenance contractor are merged into direct operation by the concessionaire; the private return falls from 14.56% to 3.34%; the two cities expect to save about 300bn won (Busan 150bn) to 2041.
↗ Gyeongnam Domin Ilbo — national funding sought for the light rail deficit (6 April 2026)Updated 8 April 2026Pre-election review of Gimhae, April 2026: the two cities paid 906.8bn won in light rail support over 2011-2025 (Gimhae 572.4bn, Busan 334.4bn) and must pay at least 1.0898tn won more from 2026 to 2041 (Gimhae 688.6bn, Busan 401.2bn); candidates of both main parties name national funding for the deficit as a priority, including a 17 March 2026 meeting with the transport minister.
↗ Kyunghyang Shinmun — Gimhae carries hundreds of billions in light rail losses (3 December 2025)Kyunghyang Shinmun on Gimhae's request to the transport ministry: cumulative support since 2011 of 519.1bn won (Gimhae) and 302.8bn won (Busan); 2024 payments of 52.9bn and 31.2bn won; a forecast of 306,000 riders/day for 2024 against about 45,000 actual; a remaining obligation of 1.1705tn won from 2025 to 2041; and Gimhae's request that the 2027 national budget share the support payments. Gimhae has 12 of the line's stations, Busan 9.
↗ SBS — inflated light rail demand forecasts keep wasting tax moneyPublished 17 July 2025SBS (via Yonhap) on light rail demand forecasts: 45,821 riders/day in 2024, equal to 14.9% of the 306,000 forecast for that year, and 45,689/day over January-May 2025; 2024 support of 84.1bn won (Gimhae 52.9bn, Busan 31.2bn), split 63.19/36.81 because Gimhae has 12 stations and Busan 9; Gimhae's lawsuit for a 50:50 split was lost; most of the deficit is financing cost, already lowered by a 2020 refinancing; the Supreme Court confirmed a former Yongin mayor's liability in damages over that city's light rail; Uijeongbu's line, opened 2012, drew well under half its forecast ridership and costs that city about 20bn won a year.
Show 9 more sourcesShow fewer
↗ Busan Ilbo — ten years of running on deficits (15 September 2021)Busan Ilbo at the line's tenth anniversary: opened 17 September 2011; 21 stations; 158 million cumulative riders in ten years; 34,752 riders/day in 2020 against a forecast of 272,220; Gimhae paid 48.6bn won in support that year and pays more than 40bn won every year, against a disposable budget of about 200bn won. Gives the length as 23.2 km, against 23.9 km on the operator's site.
↗ Busan-Gimhae Light Rail Transit Co. — operator siteOfficial site of the concessionaire that has run the line directly since the 2017 restructuring; its 2026 notices (a May 2026 disaster drill, the 15th-anniversary programme in September 2026) show the line in normal operation.
↗ Wikipedia — Busan-Gimhae Light Rail TransitTechnical description: 23.9 km, 21 stations, standard gauge, 750 V DC third rail, Thales SelTrac CBTC signalling, fully automated operation, 2-car trains built by Rotem (Hyundai Motor Group); opened 9 September 2011 with a week of free service, revenue service from 17 September. It presents 176,000 riders/day as design capacity; the Korean sources above show it is the opening-year demand forecast.
↗ Busan-Gimhae Light Rail Transit Co. — driverless operationOperator's description of the train control: a fully automated, driverless system based on RF-CBTC, supervised from a central control room over the 23.9 km between Busan and Gimhae, with full-height platform screen doors.
↗ Busan-Gimhae Light Rail Transit Co. — rolling stockOperator's rolling-stock page: steel-wheel, DC-powered driverless vehicles running as two-car sets (Mca-Mcb), 750 V DC third rail.
↗ Seoul Shinmun — deficit fears for the Busan-Gimhae light rail (25 June 2010)Pre-opening report: the two cities and the concessionaire set expected ridership at 176,000 a day in the contract and agreed that the cities would cover the deficit for 30 years if ridership fell below it; Gimhae now expected about 100,000.
↗ Seoul Shinmun — chronic deficit, hopes of full trains (29 January 2014)Busan city figures reported in January 2014: average daily ridership of 38,112 in 2013, up 26.7% on 30,084 in 2011, the first year of operation; the city then expected about 80,000 a day by 2020.
↗ Asia Economy — light rail ABS issuance saves 12.9 billion won (28 September 2020)Asia Economy (English edition): Busan City refinanced part of the line's debt in 2020 by issuing 150.8bn won of asset-backed securities at 2.3%, guaranteed by the Korea Credit Guarantee Fund, expected to save about 12.9bn won over the operating period to 2041; it puts the saving from the 2017 MRG-to-MCC conversion at 304bn won.
↗ Newspim — Gimhae mayor asks the National Assembly for more 2027 funding (16 September 2026)Gimhae's mayor Jeong Yeong-du visited the National Assembly on 15 September 2026 to ask for higher national funding in the 2027 budget; the Busan-Gimhae light rail private-investment project heads the list of projects named. No amount is given.
📅 How old is the evidence?
Two clocks, kept apart: when this entry’s sources were published, and what has happened to its record in the atlas. Documented span: since 2011. 10 of 14 sources carry a publication date, from 25 June 2010 to 16 September 2026.
When the sources were published
- Seoul Shinmun · pressSeoul Shinmun — deficit fears for the Busan-Gimhae light rail (25 June 2010)
- Seoul Shinmun · pressSeoul Shinmun — chronic deficit, hopes of full trains (29 January 2014)
- Busan Metropolitan City · city governmentBusan Metropolitan City press release — minimum revenue guarantee abolished (5 April 2017)
- Asia Economy (아시아경제) · pressAsia Economy — light rail ABS issuance saves 12.9 billion won (28 September 2020)
- Busan Ilbo (부산일보) · pressBusan Ilbo — ten years of running on deficits (15 September 2021)
- SBS (Seoul Broadcasting System) · pressSBS — inflated light rail demand forecasts keep wasting tax money
- Gyeongnam Domin Ilbo (경남도민일보) · pressGyeongnam Domin Ilbo — the light rail that eats money · updated 11 September 2025
- Kyunghyang Shinmun · pressKyunghyang Shinmun — Gimhae carries hundreds of billions in light rail losses (3 December 2025)
Show 2 more dated sourcesShow fewer
- Gyeongnam Domin Ilbo (경남도민일보) · pressGyeongnam Domin Ilbo — national funding sought for the light rail deficit (6 April 2026) · updated 8 April 2026
- Newspim · pressNewspim — Gimhae mayor asks the National Assembly for more 2027 funding (16 September 2026)
What happened to this record
Show your work What this page rests on and what it can’t tell you · all 61 claims with their sources · the forensic record
What this page rests on — and what it can’t tell you
Fourteen sources carry this entry: three pages of the operator’s own site, Busan city’s announcement of the 2017 renegotiation, eight Korean press accounts (Gyeongnam Domin Ilbo, Busan Ilbo, Kyunghyang Shinmun, Seoul Shinmun, Asia Economy, Newspim) and an SBS broadcast report, plus the English Wikipedia article, which is also the exhibit for how the forecast figure gets mislabelled as capacity. No financial figure on this page rests on it. Dollar equivalents on this page are approximate and converted at a single reference rate — 1,409.94 won to the US dollar, the Federal Reserve H.10 rate for 7 August 2026, close to this entry’s last verification. They are a reader’s aid, not a source figure: no source quoted here states a dollar amount, and a sum accumulated between 2011 and 2025 spans years in which the won traded very differently. A caution about the numbers: Korean reporting counts in 억 (hundred million) and 조 (trillion), and machine translation of these articles reliably inflates 억 figures by a factor of a hundred. Every won figure on this page has been read back against its unit marker. Three things the record honestly cannot answer: who at the Korea Transport Institute produced the 176,358 forecast and on what assumptions; whether the on-board attendants reported at opening were later withdrawn; and who holds the concession equity today. Anyone who can supply a primary document for these improves this page — the “Report an error” link at the foot of this page is how.
Evidence file · public beta 61 addressable claims, 14 source dossiers, one permanent baseline. 51 of them are marked in the text above; the other 10 belong to a passage this page does not print, so they can be read here but not clicked in the article. The file is unreviewed — an AI-assisted structural migration, not a human or expert endorsement. Every revision keeps a permanent copy under revision history.
Inspect the claims, one by one — verbatim text, sources and caveats for all 61
The text below is copied verbatim from the published record. Each claim names the source dossiers that carry it; caveats stay attached to the claim they qualify.
clm-93bc963fdd70e0bf
quantitative
over 23 km between Busan's Sasang district and Gimhae
Sources carrying this claim
clm-a1a76d5402bd3fc8
descriptive
built as a private concession carrying a minimum revenue guarantee
Sources carrying this claim
clm-494cb151ae6c9ecc
quantitative
The Korea Transport Institute had forecast 176,358 riders a day at opening
Sources carrying this claim
clm-1bd15519d577a1af
quantitative
30,084 came
Sources carrying this claim
clm-c1127a9db97136d0
quantitative
Busan and Gimhae covered the shortfall, and a 2017 renegotiation swapped the revenue guarantee for cost compensation running to 2041
Sources carrying this claim
clm-7c52dd639b471115
quantitative
The two cities paid 906.8 billion won between 2011 and 2025
Sources carrying this claim
clm-bef9c4a02ee3462f
quantitative
owe at least 1.09 trillion more
Sources carrying this claim
clm-806d88bf774781a4
quantitative
Ridership has since partly recovered, from 34,752 a day in 2020 to 45,821 in 2024
Sources carrying this claim
clm-2c757be3ae3ed4e1
quantitative
still below the 2017 peak of 51,654
Sources carrying this claim
clm-81656523bd098efe
quantitative
Busan and Gimhae paid 906.8 billion won in support payments over 2011-2025 (Gimhae 572.4bn, Busan 334.4bn)
Sources carrying this claim
clm-b5c0ce6029a086d6
quantitative
are contractually liable for at least 1.0898 trillion won more through 2041
Sources carrying this claim
clm-f69ad57c095e1124
quantitative
Daily ridership in 2024 was 45,821, or 14.9% of the 306,000 forecast for that year
Sources carrying this claim
clm-1f650949200cf591
quantitative
A 2020 refinancing, in which Busan City issued 150.8 billion won of asset-backed securities at 2.3%, was expected to save about 12.9 billion won through 2041
Sources carrying this claim
clm-8a7b840026075bff
quantitative
As of September 2025 the national government gave no financial support toward the deficit: the Urban Railroad Act allows it only administrative support
Sources carrying this claim
clm-397095571d9bf676
quantitative
In September 2026 Gimhae's mayor asked the National Assembly for more national funding for the line in the 2027 budget
Sources carrying this claim
clm-2336190b1422bd70
descriptive
A revenue guarantee written against a state institute's demand forecast
Sources carrying this claim
clm-648776ffe266c78a
descriptive
hands the forecasting risk to the taxpayer for as long as the contract runs
Sources carrying this claim
clm-d5dc9c8a4a2bc1b2
quantitative
Renegotiating it in 2017 cut the projected bill by about 304 billion won
Sources carrying this claim
clm-47c0d20369f90783
quantitative
left Busan and Gimhae paying until 2041
Sources carrying this claim
clm-c146b87f64a6c1ba
descriptive
fully automated, with no driver
Sources carrying this claim
clm-1641ddd8ec354d98
quantitative
The line is 23.9 km long and has 21 stations
Sources carrying this claim
clm-d51adc16fbc0fbf3
quantitative
It projected 176,358 riders a day in the opening year, rising to 322,545 by 2031
Sources carrying this claim
clm-6971ce29b4ec1bf2
quantitative
Gimhae's support payment for 2020 alone was 48.6 billion won
Sources carrying this claim
clm-62c33287a7b57542
quantitative
against ridership of 34,752 a day where the forecast had promised 272,220
Sources carrying this claim
clm-2220b670135f5898
quantitative
By 2024 the annual payment across both cities had reached 84.1 billion won
Sources carrying this claim
clm-d391f2ab0dd7bc97
quantitative
Gimhae carries 63.19 percent of the cost and Busan 36.81 percent
Sources carrying this claim
clm-d0039e28a7bb5ba5
quantitative
Busan and Gimhae paid 906.8 billion won in support payments over 2011-2025
Sources carrying this claim
clm-7cb5af254cce4956
quantitative
they are contractually liable for at least 1.0898 trillion won more through 2041
Sources carrying this claim
clm-47888f53eb33ce56
quantitative
The original minimum revenue guarantee ran from September 2011 to March 2017, when it was replaced by a cost-compensation arrangement running through 2041
Sources carrying this claim
clm-bc0955a3ff20e6f2
quantitative
The renegotiation cut the projected remaining burden by roughly 304 billion won
Sources carrying this claim
clm-9babc150669e37d8
descriptive
The trains are two-car sets built by Hyundai Rotem
Sources carrying this claim
clm-15075be2ed3db22a
quantitative
from 30,084 a day at opening to 45,821 in 2024
Sources carrying this claim
clm-ff55c3ebc98c686c
quantitative
Uijeongbu's light rail, which opened in 2012, carried well under half its projected ridership and costs its city on the order of 20 billion won a year
Sources carrying this claim
clm-e65fa8b4f3f0e034
descriptive
in Yongin, a former mayor's liability in damages over the city's light rail was confirmed by the Supreme Court
Sources carrying this claim
clm-83af553e662a002b
quantitative
In its opening year the line averaged 30,084 riders a day
Sources carrying this claim
clm-e075bc9da416131f
descriptive
The two-car trains that shuttle between Sasang in western Busan and Gimhae
Sources carrying this claim
clm-8eddb63832ff7ae5
descriptive
on an elevated guideway
Sources carrying this claim
clm-907fb2a5d3f8e0bb
quantitative
It opened in September 2011
Sources carrying this claim
clm-add94db52402c885
descriptive
For this line the forecast came from the Korea Transport Institute, the state's own transport research body
Sources carrying this claim
clm-7d7027103c1295f4
descriptive
Those numbers went into the contract, and the contract turned them into an obligation: whatever the fare box failed to deliver against them, the two cities would make up
Sources carrying this claim
clm-0563b4885ac9d515
quantitative
describes 176,000 a day as the system's design capacity
Sources carrying this claim
clm-4c77d66352fcf7d5
descriptive
It is the demand forecast, the number somebody expected to actually show up
Sources carrying this claim
clm-e4edbf54fd595358
quantitative
The line opens; 30,084 riders a day against a forecast of 176,358
Sources carrying this claim
clm-114936723863525c
quantitative
First year of support payments — of the order of one billion won
Sources carrying this claim
clm-ed46ab7279f21161
quantitative
The minimum revenue guarantee is replaced by a cost-compensation arrangement running to 2041
Sources carrying this claim
clm-5f26abc27e44f0bb
quantitative
Gimhae alone pays 48.6bn won
Sources carrying this claim
clm-9a4a5e20becb025b
quantitative
ridership 34,752 against a forecast of 272,220
Sources carrying this claim
clm-709bf9685a4f6cae
quantitative
Ridership 45,821 a day — 14.9% of the 306,000 forecast for the year
Sources carrying this claim
clm-62f05369e9f36634
quantitative
Annual support payment of 84.1bn won
Sources carrying this claim
clm-574f740cad80de32
descriptive
Gimhae's accumulated light rail liability is national news
Sources carrying this claim
clm-7624e37ce67c23c7
descriptive
It promised that a gap between forecast and fare box would be filled from the public purse
Sources carrying this claim
clm-71e12188657d3698
descriptive
the smaller city, with the smaller budget, holds the larger share
Sources carrying this claim
clm-c61a980e189a7596
quantitative
split 572.4 billion from Gimhae and 334.4 billion from Busan
Sources carrying this claim
clm-9850be95f0c0af23
descriptive
By the middle of the decade the annual payments had grown past what either council could absorb quietly, and the cities went back to the table
Sources carrying this claim
clm-251921657409b74a
descriptive
a revenue guarantee tops up income against a forecast, while cost compensation covers the operator's costs against what it actually earns
Sources carrying this claim
clm-3af2e845221fb3ae
descriptive
The second is cheaper for the public side
Sources carrying this claim
clm-1e0954609a68e491
quantitative
from something on the order of 1.8 trillion won down to about 1.49 trillion
Sources carrying this claim
clm-623ffdad098617ea
descriptive
The forecast was produced by a state institute
Sources carrying this claim
clm-59d4999d02d6a832
descriptive
and is now paid for annually by both
Sources carrying this claim
clm-7bc0e1dd090e2bea
quantitative
The bill arrives regardless, and will keep arriving until 2041
Sources carrying this claim
Forensic record — source dossiers, gaps, hashes and the exact revision this page renders
This layer records what is known about each source, what is still missing, and the exact snapshot this page is rendering. A missing date, archive or hash stays visible as missing.
unreviewed
Revision 2026-10-11-deep-run
effective 2026-10-11 · created 2026-10-11
Awaiting operator and domain-expert review; publication of this revision implies neither.
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- source dossiers
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Governance facts carried by the record
- Operator
- Busan-Gimhae Light Rail Transit Co., concessionaire and direct operator since 2017
- Actor types
- private
- Funding model
- ppp
- Funding description
- Private concession; public support shared Gimhae 63.19% / Busan 36.81%
- Cost
- Not recorded
- Ownership
- Not recorded
- Decision rights
- Not recorded
- Exit conditions
- Not recorded
14 source dossiers
Gyeongnam Domin Ilbo — the light rail that eats money
- Stable source ID
src-c2af622a9a9f920c- Publisher
- Name not classified · idomin.com
- Type / language
- web-page · language not classified
- Published
- 2025-09-10
- Updated
- 2025-09-11
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Gyeongnam Domin Ilbo's 14-year review of the line: the Korea Transport Institute projected 176,358 riders/day at the 2011 opening, 211,147 by 2014 and 322,545 by 2031; average daily ridership at opening was 30,084; the 2017 peak was 51,654/day, ridership fell to the 34,000s in 2020 and stood at 45,932/day in 2024; 2024 support payments of 84.2bn won (Gimhae 53.0bn, Busan 31.2bn); cost-sharing of 63.19% (Gimhae) and 36.81% (Busan); the MRG ran from September 2011 to March 2017 and was replaced in April 2017 by 25-year cost compensation (MCC) to 2041, cutting the public burden from 1.7963tn to 1.4919tn won (by 304.4bn); and the national government gives no financial support toward the deficit, because the Urban Railroad Act allows it only administrative support.
- Claims linked
clm-494cb151ae6c9eccclm-1bd15519d577a1afclm-c1127a9db97136d0clm-2c757be3ae3ed4e1clm-8a7b840026075bffclm-2336190b1422bd70clm-648776ffe266c78aclm-d5dc9c8a4a2bc1b2clm-d51adc16fbc0fbf3clm-d391f2ab0dd7bc97clm-47888f53eb33ce56clm-bc0955a3ff20e6f2clm-15075be2ed3db22aclm-83af553e662a002bclm-add94db52402c885clm-4c77d66352fcf7d5clm-e4edbf54fd595358clm-114936723863525cclm-ed46ab7279f21161clm-9850be95f0c0af23clm-1e0954609a68e491clm-623ffdad098617eaclm-7bc0e1dd090e2bea
Busan Metropolitan City press release — minimum revenue guarantee abolished (5 April 2017)
- Stable source ID
src-ef495553f07849e9- Publisher
- Name not classified · busan.go.kr
- Type / language
- web-page · language not classified
- Published
- 2017-04-05
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Busan city announcement of 5 April 2017: Busan, Gimhae and the transport ministry signed a revised agreement on the 24th of the previous month, in force since 1 April; the minimum revenue guarantee (MRG) is abolished and replaced by minimum cost compensation (MCC), which tops up actual operating revenue to an agreed cost level; the concessionaire, operating company and maintenance contractor are merged into direct operation by the concessionaire; the private return falls from 14.56% to 3.34%; the two cities expect to save about 300bn won (Busan 150bn) to 2041.
Gyeongnam Domin Ilbo — national funding sought for the light rail deficit (6 April 2026)
- Stable source ID
src-aed164cc97a8ee6c- Publisher
- Name not classified · idomin.com
- Type / language
- web-page · language not classified
- Published
- 2026-04-06
- Updated
- 2026-04-08
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Pre-election review of Gimhae, April 2026: the two cities paid 906.8bn won in light rail support over 2011-2025 (Gimhae 572.4bn, Busan 334.4bn) and must pay at least 1.0898tn won more from 2026 to 2041 (Gimhae 688.6bn, Busan 401.2bn); candidates of both main parties name national funding for the deficit as a priority, including a 17 March 2026 meeting with the transport minister.
Kyunghyang Shinmun — Gimhae carries hundreds of billions in light rail losses (3 December 2025)
- Stable source ID
src-1510a1616ac15422- Publisher
- Name not classified · khan.co.kr
- Type / language
- web-page · language not classified
- Published
- 2025-12-03
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Kyunghyang Shinmun on Gimhae's request to the transport ministry: cumulative support since 2011 of 519.1bn won (Gimhae) and 302.8bn won (Busan); 2024 payments of 52.9bn and 31.2bn won; a forecast of 306,000 riders/day for 2024 against about 45,000 actual; a remaining obligation of 1.1705tn won from 2025 to 2041; and Gimhae's request that the 2027 national budget share the support payments. Gimhae has 12 of the line's stations, Busan 9.
SBS — inflated light rail demand forecasts keep wasting tax money
- Stable source ID
src-c84463cc3335f411- Publisher
- Name not classified · news.sbs.co.kr
- Type / language
- web-page · language not classified
- Published
- 2025-07-17
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
SBS (via Yonhap) on light rail demand forecasts: 45,821 riders/day in 2024, equal to 14.9% of the 306,000 forecast for that year, and 45,689/day over January-May 2025; 2024 support of 84.1bn won (Gimhae 52.9bn, Busan 31.2bn), split 63.19/36.81 because Gimhae has 12 stations and Busan 9; Gimhae's lawsuit for a 50:50 split was lost; most of the deficit is financing cost, already lowered by a 2020 refinancing; the Supreme Court confirmed a former Yongin mayor's liability in damages over that city's light rail; Uijeongbu's line, opened 2012, drew well under half its forecast ridership and costs that city about 20bn won a year.
Busan Ilbo — ten years of running on deficits (15 September 2021)
- Stable source ID
src-4647d109f777759c- Publisher
- Name not classified · mobile.busan.com
- Type / language
- web-page · language not classified
- Published
- 2021-09-15
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Busan Ilbo at the line's tenth anniversary: opened 17 September 2011; 21 stations; 158 million cumulative riders in ten years; 34,752 riders/day in 2020 against a forecast of 272,220; Gimhae paid 48.6bn won in support that year and pays more than 40bn won every year, against a disposable budget of about 200bn won. Gives the length as 23.2 km, against 23.9 km on the operator's site.
Busan-Gimhae Light Rail Transit Co. — operator site
- Stable source ID
src-a0159a68aed0f6c5- Publisher
- Name not classified · bglrt.com
- Type / language
- web-page · language not classified
- Published
- Not recorded
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Official site of the concessionaire that has run the line directly since the 2017 restructuring; its 2026 notices (a May 2026 disaster drill, the 15th-anniversary programme in September 2026) show the line in normal operation.
- Claims linked
- Background source; no baseline claim points here
Wikipedia — Busan-Gimhae Light Rail Transit
- Stable source ID
src-0a5ad2fb460befb7- Publisher
- Name not classified · en.wikipedia.org
- Type / language
- web-page · language not classified
- Published
- Not recorded
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Technical description: 23.9 km, 21 stations, standard gauge, 750 V DC third rail, Thales SelTrac CBTC signalling, fully automated operation, 2-car trains built by Rotem (Hyundai Motor Group); opened 9 September 2011 with a week of free service, revenue service from 17 September. It presents 176,000 riders/day as design capacity; the Korean sources above show it is the opening-year demand forecast.
Busan-Gimhae Light Rail Transit Co. — driverless operation
- Stable source ID
src-7c954c6a96ebb9e1- Publisher
- Name not classified · bglrt.com
- Type / language
- web-page · language not classified
- Published
- Not recorded
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Operator's description of the train control: a fully automated, driverless system based on RF-CBTC, supervised from a central control room over the 23.9 km between Busan and Gimhae, with full-height platform screen doors.
Busan-Gimhae Light Rail Transit Co. — rolling stock
- Stable source ID
src-cf3143d9cf35e81f- Publisher
- Name not classified · bglrt.com
- Type / language
- web-page · language not classified
- Published
- Not recorded
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Operator's rolling-stock page: steel-wheel, DC-powered driverless vehicles running as two-car sets (Mca-Mcb), 750 V DC third rail.
- Claims linked
Seoul Shinmun — deficit fears for the Busan-Gimhae light rail (25 June 2010)
- Stable source ID
src-8aa04093ee2529f2- Publisher
- Name not classified · m.go.seoul.co.kr
- Type / language
- web-page · language not classified
- Published
- 2010-06-25
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Pre-opening report: the two cities and the concessionaire set expected ridership at 176,000 a day in the contract and agreed that the cities would cover the deficit for 30 years if ridership fell below it; Gimhae now expected about 100,000.
Seoul Shinmun — chronic deficit, hopes of full trains (29 January 2014)
- Stable source ID
src-9f66a05d0901351a- Publisher
- Name not classified · m.go.seoul.co.kr
- Type / language
- web-page · language not classified
- Published
- 2014-01-29
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Busan city figures reported in January 2014: average daily ridership of 38,112 in 2013, up 26.7% on 30,084 in 2011, the first year of operation; the city then expected about 80,000 a day by 2020.
Asia Economy — light rail ABS issuance saves 12.9 billion won (28 September 2020)
- Stable source ID
src-077937569fb143a3- Publisher
- Name not classified · view.asiae.co.kr
- Type / language
- web-page · language not classified
- Published
- 2020-09-28
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Asia Economy (English edition): Busan City refinanced part of the line's debt in 2020 by issuing 150.8bn won of asset-backed securities at 2.3%, guaranteed by the Korea Credit Guarantee Fund, expected to save about 12.9bn won over the operating period to 2041; it puts the saving from the 2017 MRG-to-MCC conversion at 304bn won.
Newspim — Gimhae mayor asks the National Assembly for more 2027 funding (16 September 2026)
- Stable source ID
src-27e33bb44e96f2e0- Publisher
- Name not classified · newspim.com
- Type / language
- web-page · language not classified
- Published
- 2026-09-16
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Gimhae's mayor Jeong Yeong-du visited the National Assembly on 15 September 2026 to ask for higher national funding in the 2027 budget; the Busan-Gimhae light rail private-investment project heads the list of projects named. No amount is given.
- Claims linked
Known limits of this file
- Publisher names and source languages have not yet been classified; domains are recorded without guessing.
- Existing source notes are descriptive locators, not page- or paragraph-exact citations.
- A missing archive, publication date or content hash is shown as null rather than inferred.
- The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim.
Continue exploring
Compare this project
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Explore the wider context
📎 Cite this project
1001 Smart Cities (2026). “Busan-Gimhae Light Rail and Its Revenue Guarantee” — Busan, South Korea. The Smart City Atlas. https://1001smartcities.org/projects/busan-gimhae-light-rail/ (last verified 2026-10-11). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.