It begins at the Oklahoma state line on an overlap with US 287 ( and at the west end of Oklahoma State Highway 3 ) and follows US 287 north through Campo and Springfield to Lamar .
US 385 is almost entirely a rural two - lane route .
route begins at the Oklahoma state line on an overlap with route 287 ( and at the west end of Oklahoma State Highway 3 ) and follows route 287 north through Campo and Springfield to Lamar .
US 385 is almost entirely a rural two - lane route .