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research report | August 2026

Assessing Transportation Impacts of Berkeley Hills Tunnel Disruption Under Earthquakes

Tianyu Han, Kenichi Soga, Louise Comfort

research report | July 2026

Pathway to a Comeback: Student Transit Passes Can Drive Ridership and Equity in Post-Pandemic California

Farzana Khatun, Susie Pike, Jean-Daniel Saphores

policy brief | July 2026

Planning for the Next Big Earthquake: A New Tool for Transportation Agencies

Tianyu Han, Bingyu Zhao, Kelly Tang, Louise Comfort, Kenichi Soga

research report | July 2026

Exploring Transportation Mode Choice and Participation in LA Metro’s “GoPass” Program Among Los Angeles Community College Students

Farzana Khatun, Henry Bernal, David Brownstone

policy brief | July 2026

policy brief | June 2026

Free Transit Helps Students—But Car Access, Transit Quality, and Perceptions Still Shape Who Benefits

Farzana Khatun, Henry Bernal, David Brownstone

policy brief | June 2026

Revitalizing Downtowns May Help Transit Recovery—But It Won’t Be Enough

Elizabeth Deakin, Egon Terplan, Maya Najjar, Kathryn Exon Smith

policy brief | June 2026

Generalized Tools for Evaluating Active Transportation Projects Show Promise—But Project Level Estimates Need Other Support

Caitlyn Linehan, Dillon Fitch-Polse, Trisalyn Nelson

preprint journal article | June 2026

preprint journal article | October 2025

Free transit for students to regain ridership: Users and boarding characteristics of LA Metro's GoPass program

Farzana Khatun, Jean-Daniel Saphores

website | May 2026

San Francisco Chinatown Transit Ridership Assessment Website

Joshua Meng, Chiwei Yan

research report | May 2026

Evaluation of an Affordable Electric Carsharing Service in a Low-Income Community of Color: A Case Study in Richmond, California

Brian Harold, Caroline Rodier

policy brief | May 2026

Ambiguity in Defining High-Quality Transit Shapes Where Housing Can Be Built in California

Jacob Wasserman, Aaron Barrall, Adam Millard-Ball, Amy Lee

policy brief | May 2026

policy brief | February 2026

Organizing and Delivering Public Transit Service in California

Hao Ding, Brian D. Taylor, John Gahbauer, Max Schank

research report | May 2026

research report | March 2026

What are the Best Ways to Organize, Coordinate, and Deliver Public Transit Service in Large Metropolitan Areas? A Research Synthesis

Hao Ding, Brian D. Taylor, John Gahbauer, Max Schank

policy brief | May 2026

The Long-term Impacts of the Pandemic on Ride-hailing Use Could Have Negative Environmental Impacts

Patrick Loa, Giovanni Circella, Yongsung Lee

policy brief | May 2026

Affordable Carsharing in Urban Contexts: Lessons from Richmond’s Pilot Program

Brian Harold, Caroline Rodier

policy brief | April 2026

How Did Travel Change after COVID-19? Insights from Northern California Megaregion

Siddhartha Gulhare, Giovanni Circella

policy brief | April 2026

Customer-Oriented Open Data Can Help Make Transit More Accessible to Seniors and People with Disabilities

Joshua Meng, Alex Kurzhanskiy

policy brief | April 2026

policy brief | March 2026

Transportation Network Companies Could Be a Cost Effective Alternative to Microtransit in Low-Density Communities

Wesley Darling, Michael Cassidy

white paper | April 2026

white paper | October 2024

Reviving public transit ridership to downtowns and employment centers: Case Studies of San Francisco, San Jose, Oakland, Berkeley, and Walnut Creek

Elizabeth Deakin, Egon Terplan, Maya Najjar, Kathryn Exon Smith

research report | April 2026

Customer-Oriented Open Data for Accessible Transit: A Case Study in Contra Costa County

Joshua Meng, Alex Kurzhanskiy

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