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Building Stronger Transport Policy: An Evidence Gap Map - Dataset

By Knowledge and Learning Division (VPS/VPS/KLD); Transport Division (VPS/INE/TSP)

Efficient and reliable transport systems are central to economic growth, social inclusion, and environmental sustainability. In Latin America and the Caribbean (LAC), transport and logistics performance remains below that of advanced economies, constraining access to services, social inclusion (Scholl et al., 2021), competitiveness, and productivity (Calatayud & Montes, 2021).

The EGM, available at https://developmentevidence.3ieimpact.org/egm/transportation-evidence-gap-map, presents global effectiveness evidence on transportation interventions, including roads, regional transportation and logistics; urban mobility infrastructure; and laws, regulations, and policies governing public transit, mobility, traffic, and transportation.

Financed and co-produced by the Inter-American Development Bank (IDB), the EGM compiles, curates, and classifies studies that estimate causal effects, displaying where evidence is clustered and where gaps remain. It aims to help decision-makers identify the most promising approaches for improving transport systems, highlight priority areas for future research, and ultimately support evidence-informed policymaking, enhance the allocation of scarce resources, and contribute to safer, more inclusive, and more sustainable transport in LAC and beyond.

Know of any studies that could be included in this map? We invite you to share them with us using this form.

Note: This map includes studies published between 2005 and April 2025. Eligible studies from China—mainly focused on high-speed rail—are listed separately here.

This Evidence Gap Map was co-produced by the Inter-American Development Bank’s Transport and Knowledge and Learning Divisions, and the International Initiative for Impact Evaluation (3ie). It is part of the broader collaboration between the IDB and 3ie, formalized through a Memorandum of Understanding signed in October 2023. The authors are solely responsible for any errors or omissions.

IDB project collaborators: Camilo Acosta, Leonel Borja, Agustina Calatayud, Vileydy González, Minji Kang, Indira Porto, María Eugenia Rivas, Magdalena Rossetti, Santiago Sánchez, Gonzalo Santamaría, Valentina Sequi, and Alejandro Taddia.

3ie project collaborators: María Daniela Anda, Diana Belén Córdova-Aráuz, Mark Engelbert, Tomasz Kozakiewicz, and Shannon Shisler.

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Metadata & use

Identifier https://doi.org/10.60966/k96ok76z
License Creative Commons Attribution 4.0 International
Related Knowledge Product
Published date 2025-11-12
Modified date 2026-01-21
Tags/Keywords Transportation · Roads · Urban Mobility · Policy · Evidence · Literature · Gaps
Language
  1. English
Temporal coverage 2005-2025
Country
United States
India
Colombia
Singapore
United Kingdom
Nicaragua
Cambodia
Iran
Pakistan
Nepal
Mozambique
Ethiopia
Ecuador
Rwanda
Nigeria
Denmark
Spain
Zambia
Thailand
Austria
Philippines
Malawi
Australia
Israel
Egypt
Poland
Cameroon
South Africa
France
Germany
Lebanon
Haiti
Uzbekistan
Sri Lanka
Chile
Indonesia
Tajikistan
Türkiye
Kyrgyzstan
Estonia
Peru
El Salvador
Algeria
Japan
Finland
Vietnam
Uganda
Costa Rica
The Netherlands
China
Georgia
Burkina Faso
Bangladesh
Papua New Guinea
Hungary
Kenya
Taiwan
Sierra Leone
Canada
Trinidad and Tobago
Paraguay
Sweden
Italy
Brazil
Norway
South Korea
Mexico
Portugal
Argentina
Switzerland
Bolivia
New Zealand
Publisher
Inter-American Development Bank
Author
Borja, Leonel
Acosta, Camilo
Porto, Indira
Anda, María Daniela
Data collection type Administrative Data
Statistical type Panel Data
Data structure Structured Data

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