🚲 Mobility

Oslo's Time- and Emission-Differentiated Toll Ring

Oslo has tolled entry since 1990, but only from 1 October 2017 did pricing become time- and emission-differentiated: rush-hour and diesel cost more, electric cars far less. A third ring, Indre Ring, followed in 2019. Fjellinjen — 60% owned by Oslo, 40% by Akershus county — now runs 83 stations across three rings.

Live 📅 since 2017 ◆ Source-checked

🤖 AI-generated summary of the sources below — how this works · 🔎 Last verified 2026-08-04

🚲 Mobility Congestion pricing Air quality

📊 Impact

Fjellinjen's own economy director told Dagbladet that toll-ring crossings were down 4.5% in the weeks before Easter 2018 versus the same period in 2017 (the same month's raw year-on-year figure, 13.8%, is mostly an Easter-calendar artefact). This is a self-reported figure relayed by press, not an independent evaluation, and the October 2017 reform combined time/emission differentiation with an overall rate increase, so the drop cannot be isolated to differentiated pricing alone. Norway's Public Roads Administration states in general terms that the ring reduces car traffic and emissions, but Oslo's own climate-budget documentation says explicitly that no comprehensive study of the differentiated ring's overall effect has been done.

Evidence📰 Media

Scale🏙️ City-wide

📖 Terms in this entry: Low-emission zone · Bus rapid transit (BRT) · Congestion pricing

Sources

↗ Fjellinjen — tariffs and toll stations (authority)Official operator page: current 2026 rates by vehicle/fuel type and time of day, 83 stations on three rings (Bygrense, Osloringen, Indre Ring), one-hour rule, AutoPASS 20% discount.

↗ Fjellinjen — 1 January 2026 rate change notice (authority)Verifies the exact current light-vehicle rates: petrol/PHEV 38/47 NOK, diesel 42/50 NOK, electric 21/26 NOK (off-peak/rush hour).

↗ Fjellinjen — investor relations, ownership (authority)States current ownership directly: 'Fjellinjen is owned by the Oslo municipality (60%) and Akershus county (40%).'

↗ Store norske leksikon — bomring (independent reference)Norway's national encyclopedia: Oslo's ring opened 1990, fully automated 2 February 2008 (an automation date, not a pricing-differentiation date).

↗ NRK — Taksthopp i Oslos bomring (press)Contemporaneous coverage of the 1 October 2017 reform introducing time- and emission-differentiated rates (diesel 49/59 NOK); direct fetch blocked (403), content confirmed via search-result quoting.

↗ Dagbladet — traffic fell 4.5% in March (press)Quotes Fjellinjen's own economy director on a 4.5% pre-Easter traffic drop, March 2018 vs March 2017, roughly six months after the October 2017 reform; explicitly flags the Easter-calendar confound in the raw 13.8% figure.

This overview was generated with AI from the public sources listed above 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.

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Compare this project

🇳🇴 Oslo Climate Budget · Oslo Oslo's other big climate lever: tolling priced by time and emission class since 2017, feeding the same sector ceilings tracked here. 🇳🇴 Real-Time Air Quality Monitoring and Oslo's Once-Fired Diesel Ban · Oslo The ring prices the traffic that this project's sensors measure — but no study has isolated its effect on Oslo's air readings. 🇬🇧 Central London Congestion Charging Scheme · London Same evolution as London: a flat toll built for revenue only later added time- and emission-based pricing, in Oslo from 2017.

Explore the wider context

🛰️ Fifty years of congestion pricing 💷 Congestion pricing guide 🏙️ Oslo city profile 🚲 Mobility projects

📎 Cite this project

1001 Smart Cities (2026). “Oslo's Time- and Emission-Differentiated Toll Ring” — Oslo, Norway. The Smart City Atlas. https://1001smartcities.org/projects/oslo-toll-ring/ (last verified 2026-08-04). Data: CC BY 4.0.

The underlying data is free to reuse with attribution — see the open data page.

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