Selected papers from the International Conference on Transportation and Development 2025, held in Glendale, Arizona, June 8–11, 2025. Sponsored by the Arizona Department of Transportation and the Transportation & Development Institute of ASCE.

This collection contains 71 peer-reviewed papers on transportation safety and emerging technologies.

Topics include: transportation safety; artificial intelligence in transportation; connected and automated vehicle impacts; data sensing and analytics; mobility on demand and as a service; and uncrewed aerial systems.

This collection combines academic and industry expertise about smart transportation that will be useful for academic researchers, policymakers, and practitioners within transportation engineering.