DCHP-1 Online
base-line road 
or trail a road that lies on or near a base line.
- 1934 Take the Base Line Road, then turn to your right. . . .
- 1961 [The] Trail initially followed the old Baseline Trail, which took its name from its route along the base of township 53.
- 1934 Take the Base Line Road, then turn to your right. . . .