From Traffic Impact Analysis to Accessibility Impact Analysis: Developing and Testing a Post-LOS, Post-VMT Development Impact Analysis Tool

For decades evaluation of the benefits and costs of new- or re- development in urban areas has centered on the effects of development on nearby traffic flows. Historically, and in [...]

By |2025-12-11T23:02:37-08:00December 11th, 2025|

Transportation Sales Taxes in Los Angeles: Lessons from Forty Years of Experience

This is the second study of voter-approved transportation sales taxes in Los Angeles County performed by the UCLA Institute of Transportation Studies with support from the Haynes Foundation. The earlier [...]

By |2025-12-11T23:02:36-08:00December 11th, 2025|

Transportation Access to Health Care During the COVID-19 Pandemic: Trends and Implications for Significant Patient Populations and Health Care Needs (White Paper)

Access to in-person medical care is critical for high risk patients, such as those who are pregnant or suffering from certain end-stage diseases. The COVID-19 pandemic has profoundly impacted medical [...]

By |2025-12-11T23:02:38-08:00December 11th, 2025|

How the Built Environment Affects Car Ownership and Travel: Evidence from San Francisco Housing Lotteries

This research leverages the lottery that allocates households in San Francisco to below-market rate (BMR) housing units, which effectively serves as a randomized experiment that removes self-selection. Given the scarcity [...]

By |2025-12-11T23:02:37-08:00December 11th, 2025|

Advancing the Vulnerability Characterization of California Roadways to Wildfires

Wildfires and post-fire debris flows have had severe impacts on California’s transportation system recently, and climate forecasts show that these hazards are likely to become more of a concern in [...]

By |2025-12-11T23:02:37-08:00December 11th, 2025|

How People Move: Analyzing Travel of Vulnerable Populations in Los Angeles

The costs and benefits of the transportation system are distributed unequally, leading to people receiving less access to opportunities. This report sought to understand how this issue plays out within [...]

By |2025-12-11T23:02:35-08:00December 11th, 2025|
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