Essex Terminal Railway is a Canadian shortline with operations in Windsor, Ontario at the Canadian-US border. The ETR, which was established in 1902 as a western extension of the Grand Trunk Railway into Windsor, celebrated its 100th anniversary in 2002. Currently in operation with connections to the CNR and CPR, it formerly interchanged with the New York Central, Pere Marquette and Wabash. The 2002 commemorative key is solid barrel, maker unknown.