1001 Smart Cities

Permanent project revision

Metrocable & Social Urbanism

Revision 2026-08-15-evidence-baseline · effective 2026-07-15

Superseded. A later revision exists: 2026-08-20-source-dates →

unreviewed

Created the first structured Evidence Passport with 8 claims and 4 source dossiers.

sha256:7a46e39953351ee6ccaa2de6ca09a0c0e46354f8bca3ae842e0e9471d3f7c3d7
All revisions → Current entity page →

Change set

  • add /evidencePassport — Added claim-level evidence mapping and source dossiers.
  • add /revisionHistory — Established a permanent, hash-addressed baseline revision.
8
of 8 claims mapped
4
source dossiers
0
publication dates recorded
1
archives linked
0
exact locators
0
content captures hashed

Claims, one by one

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.

Claim 1 clm-49d2804f8edf6d9c quantitative
Between 2003 and 2008, the homicide rate fell 66% more in neighbourhoods served by the first Metrocable line than in comparable control neighbourhoods, and resident-reported violence dropped 75% more
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The impact attributes both comparative declines directly to Cerdá et al. 2012.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Cerdá et al. 2012, Am J Epidemiology (research)
Claim 2 clm-d683481bef5997a0 descriptive
housed hundreds of thousands of people on slopes so steep that buses couldn't reliably serve them
Published field
body · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The topography and the settlement pattern of the hillside comunas are described in the case-study accounts of the programme.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Rapid Transition Alliance (research)
  2. Streetsblog Chicago (press)
Claim 3 clm-43ca095fbcc5117f quantitative
Mayor Sergio Fajardo, elected in 2003, built his administration around a principle his team called
Published field
body · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Fajardo's election in 2003 and the urbanismo social principle are carried by both secondary accounts of the programme.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Rapid Transition Alliance (research)
  2. Streetsblog Chicago (press)
Claim 4 clm-5c0b3c00be23910c descriptive
the city strung aerial cable cars up the hillsides and
Published field
body · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The operator describes the aerial cable system serving the hillsides as part of the metro network.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Metro de Medellín (operator)
Claim 5 clm-459b6b5b93cc7e43 descriptive
A resident of Santo Domingo could tap once and ride cable car and train as a single trip
Published field
body · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Fare integration into the metro is the operator's own description: a single fare covers gondola and train.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Metro de Medellín (operator)
Claim 6 clm-bfec67da60d41696 quantitative
compared neighbourhoods served by the first Metrocable line with carefully matched control neighbourhoods between 2003 and 2008
Published field
body · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
Cerda et al. (2012) compare neighbourhoods served by the first line with matched controls over 2003-2008. This is the study the entire impact figure rests on.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Cerdá et al. 2012, Am J Epidemiology (research)
Claim 7 clm-b4ba5fa9f042d57f descriptive
Medellín was also running library parks, school investment and community programmes in the same neighbourhoods at the same time
Published field
body · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The concurrent investments are named in the study's own discussion of confounders and in the programme accounts; they are why the entry does not attribute the fall to the cable car alone.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Cerdá et al. 2012, Am J Epidemiology (research)
  2. Rapid Transition Alliance (research)
Claim 8 clm-d2025179b6f73d52 descriptive
that study covers the first line and its neighbourhoods, not the whole system
Published field
body · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The study's own scope limitation: the first line and its neighbourhoods, not the later lines or the system as a whole.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. Cerdá et al. 2012, Am J Epidemiology (research)

Source dossiers and revision state

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 2026-08-15-evidence-baseline effective 2026-07-15 · created 2026-08-15

Awaiting operator and domain-expert review; publication of this revision implies neither.

sha256:7a46e39953351ee6ccaa2de6ca09a0c0e46354f8bca3ae842e0e9471d3f7c3d7
Revision history → Permanent version link → Machine-readable record → Evidence Constitution →
8
of 8 claims mapped
4
source dossiers
0
publication dates recorded
1
archives linked
0
exact locators
0
content captures hashed

Governance facts carried by the record

Operator
Metro de Medellín
Actor types
utility
Funding model
public
Funding description
Not recorded
Cost
Not recorded
Ownership
Not recorded
Decision rights
Not recorded
Exit conditions
Not recorded

4 source dossiers

Metro de Medellín (operator) metrodemedellin.gov.co · 2 linked claims

Open original source ↗

Stable source ID
src-87a7ed2a48dd7ce1
Publisher
Name not classified · metrodemedellin.gov.co
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-15
Dossier created
2026-08-15
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Official site of the organisation running the project.

Descriptive only — not page/paragraph exact
Claims linked
Cerdá et al. 2012, Am J Epidemiology (research) pubmed.ncbi.nlm.nih.gov · 4 linked claims

Open original source ↗

Stable source ID
src-731c5cef368dd4d3
Publisher
Name not classified · pubmed.ncbi.nlm.nih.gov
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-15
Dossier created
2026-08-15
Retrieved copy
No local capture recorded
Archive
Open archived copy ↗ · 2025-12-15
Content hash
No captured content hash
Locator
Open the recorded source note

Peer-reviewed natural experiment behind the 66%/75% impact figures.

Descriptive only — not page/paragraph exact
Claims linked
Streetsblog Chicago (press) chi.streetsblog.org · 2 linked claims

Open original source ↗

Stable source ID
src-68489bbbf0814224
Publisher
Name not classified · chi.streetsblog.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
2026-07-15
Dossier created
2026-08-15
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

News coverage of the project.

Descriptive only — not page/paragraph exact
Claims linked
Rapid Transition Alliance (research) rapidtransition.org · 3 linked claims

Open original source ↗

Stable source ID
src-e20cdd689d61cf49
Publisher
Name not classified · rapidtransition.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
2026-07-15
Dossier created
2026-08-15
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Further information on the project.

Descriptive only — not page/paragraph exact
Claims linked
Known limits of this passport
  • 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.