Tierra Bills

Tierra Bills is Assistant Professor of Public Policy and Civil and Environmental Engineering at UCLA, where she directs the Transportation Equity Innovation (TrEI) Lab. Her research examines transportation equity through accessibility metrics and system design.

Key research areas include transport disadvantage measurement, equity-focused planning frameworks, and microtransit impacts on underserved communities.

Recent publications develop methodologies for equity analysis in regional transportation systems and investigate spatial dimensions of mobility access disparities.