SU-ML (Sumas Mtn Mainline) in Whatcom County, Washington

SU-ML (Sumas Mtn Mainline) in Whatcom County is a service road. It runs in a north-south direction starting from SU-41 and crosses P-1000, Horse Trail Bypass, Campfire Trail, ATV Bypass Trail, SU-17, Skull Trail and Buckenmeyer Lane and ends at Mount Baker Highway.
Road Type
service road
Route
north-south