 Present day MD 707A was bypassed in 1942 when the present bridge to Ocean City and the dual highway approach west to Herring Creek opened.The bypassed portion of US 213 remained a state highway and was designated MD 707 by 1948.The segment of MD 707 west of Herring Creek was bypassed in 1950 when the dual highway, which had just been renumbered US 50, was extended to just west of MD 452.