MD 155: Add a point at
Hopewell Rd (HopRd) to put the route within tolerance.
MD 22: BelAve should be BelAirAve.
MD 543: You could replace the shaping point north of MD 22 with Chestnut Hill Rd (CheHillRd). (seems to reduce 0.02 miles)
US 1: Consider replacing the shaping point south of MD 136 with
Allibone Rd (AllRd). (seems to reduce 0.03 miles)