Line A

Line A is name of several transport lines:
 * A (New York City Subway service), U.S.
 * Line A (Buenos Aires Underground), Argentina
 * A Line (Los Angeles Metro), U.S.
 * A Line (RTD), Denver, U.S.
 * Line A (Prague Metro), Czech Republic
 * Line A (Rome Metro), Italy
 * Mexico City Metro Line A, Mexico City
 * Line A (EuskoTran), Bilbao, Spain (former name)