e Bee-Line Bus System, branded on the buses in lowercase as the bee-line system, is a bus
system serving
. The system is owned by the County's Department of Public Works and Transportation and operated, under contract (except for three routes), by Yonkers-based Liberty Lines Transit Inc. . The current existence of Bee-Line dates back to the late 1970s when thirteen private providers began running a unified system under the aegis of Westchester County with Liberty Lines either buying out or obtaining franchises for the other twelve. The three routes not run by Liberty Lines: Routes 16, 18, and 31 are run by Peekskill-based P.T.L.A. Enterprise. 2011 ridership for Bee-Line buses was 31,584,651