The Chesapeake was a daily passenger train operated by Amtrak along the Northeast Corridor between Washington, D.C., and Philadelphia, Pennsylvania, from 1978 to 1983.

Service began on May 1, 1978, with funding from the Commonwealth of Pennsylvania and the State of Maryland; a demonstration trip ran from Philadelphia to Bowie on April 30.

[3] BWI Rail Station was added to the service when it opened in October 1980.

[4] From February 4, 1980, to October 25, 1981, the Chesapeake was extended from 30th Street to Suburban Station.

[5] The train primarily served higher-ranking business executives and government officials on the southbound trip in the morning, as it arrived too late for most civil servants.