AIDS TO NAVIGATION CHESAPEAKE AND DELAWARE CANAL
Aids to Navigation on the Chesapeake and Delaware Canal: The system of marking the channel with buoys and lights is from each entrance and reverses at Chesapeake City. Even numbers and flashing red lights are on the north side and odd numbers and flashing green lights are on the south side between the Delaware Bay entrance and Chesapeake City.  Even numbers and flashing red lights are on the south side and odd numbers and flashing green lights are on the north side from Chesapeake City to the west end of the canal. Each bend along the canal is marked by an amber light.
Mercury vapor lights are located approximately 42.7 meters/140 feet from the edge of the channel. The lights in general are on poles 152.4 meters/500 feet apart on both banks. Poles are 72.6 meters/250 feet apart; every other pole is lighted. The mercury vapor lights are maintained by the U.S. Army Corps of Engineers. These structures may have an overhead power cable connected them to the shore.
