Unique bacterial communities exist on most Hong Kong subway train lines in the morning, but these merge during the day, also spreading antibiotic resistance
Los Angeles' subway will become the first mass transit system in the U.S. to install body scanners that screen passengers for weapons and explosives. The scanners do a full-body screening of passengers without slowing them down. (August 14)
Two irate subway riders are being sought by New York police after a subway conductor was viciously beaten when he announced a train was going "express" on Saturday.
