Authorities in Germany are stepping up security on the country's rail system, including deploying more plain-clothes police officers. 

City bus drivers, concerned over a history of stabbings, punching, slapping and spitting, get more surveillance through an expanded MTA program.

The Transportation Security Administration (TSA) commended 16 U.S. rail and mass transit agencies for earning the TSA's highest rating for maintaining strong security programs.

Italy's longest metro system now combines video surveillance and public-address communication to manage evacuation measures.

The Chicago Transit Agency has begun replacing hundreds of contract security guards with full- and part-time CTA customer-service employees.

In San Francisco, cable cars average about an accident a month and routinely rank among the most accident-prone mass transportation modes in the country per vehicle mile traveled annually.

Major upgrades to police communications, computer systems and wireless capabilities will enable command staff to respond more quickly to crimes and emergencies. 

The Secret Service is the target of an investigation involving the loss of two backup computer tapes left on a Washington, D.C., Metro train.

With attacks on bus drivers up three percent from last year, Brooklyn bus drivers are rallying for more partitions and security cameras on the city buses.