 SR 46's name again becomes Christanna Highway as it heads northwest toward the hamlet of Cochran west of Alberta.In Cochran, the state highway intersects US 1 (Boydton Plank Road) adjacent to the Christanna campus of Southside Virginia Community College and has a partial interchange with I-85 that allows access in the direction of South Hill.Access to northbound I-85 toward Petersburg is provided via US 1.