After MD 175 was rerouted along Little Patuxent Parkway (now named Rouse Parkway) from west of Interstate 95 (I-95) to Columbia Town Center around 1977, MD 108 was extended east to its present terminus near I-95.
Following the rerouting of MD 175 along Little Patuxent Parkway in 1977, MD 108 was extended eastward to its current location near Interstate 95.