TTI estimated that traffic congestion cost the LA economy a staggering $13.3 billion in 2014, based on premise that moving slowly wastes time and fuel, costs that are multiplied over millions of travelers. But do such measures really capture how congestion and the conditions that give rise to it affect regional economies?

This study explores the travel patterns, needs, and mobility problems faced by diverse low-income, inner-city older adults in Los Angeles in order to identify solutions to their mobility challenges.

This study focuses on the sexual harassment experiences of university students, a population group that is typically more transit-dependent than the general public, and possibly because of their age, more vulnerable to victimization from sexual harassment than other adults.

This study surveyed university students who use public transit. The survey responses reveal how different subgroups of transit riders are affected by sexual harassment differently.

This brief examines the racial/ethnic patterns in Los Angeles' traffic collisions to highlight the strategies that could improve racial equity in transportation safety.

This study explores the travel patterns, needs, and mobility problems faced by diverse low-income, inner-city older adults in Los Angeles in order to identify solutions to their mobility challenges.

To understand the transportation needs of different populations during the pandemic, this report reviewed the literature across seven health care needs that are overrepresented among people with transportation challenges and/or amenable to transportation interventions.

Understanding the concept of access to opportunity — why it is important, its determinants, and how it relates to other adjacent issues and policies in transportation, housing and economic development.