TRB's Transit Cooperative Research Program (TCRP) Research Results Digest 58: International Transit Studies Program: Safety and Security Issues at All-Bus Systems in Small- to Medium-Sized Cities in Western Europe summarizes the transit study mission performed June 14-29, 2002, and includes transportation information on the cities and facilities visited, lessons learned, and discussions of policies and practices that could be applied in the United States. https://trb.org/publications/tcrp/tcrp_rrd_58.pdf