 However, in 1959, MD 117's eastern terminus was rolled back to the railroad crossing at Boyds.The highway between Boyds and MD 124 west of Gaithersburg was brought back into the state highway system in 1974.The following year, MD 124 was rerouted north along Quince Orchard Road through a cloverleaf interchange with I-270 to MD 355, then southeast concurrent with MD 355 to rejoin its old alignment in downtown Gaithersburg.