 The State Route 46 designation was thus freed to match North Carolina Highway 46 as a renumbering of State Route 34, but the north end was swapped with State Route 137 to end at Blackstone rather than Kenbridge.State Route 47, which had run from South Hill west to Chase City, was extended west over part of State Route 46 to Barnes Junction, north over U.S. Route 15 to near Wylliesburg, and north replacing all of State Route 39 to Pamplin City.This allowed State Route 39 to be used to match West Virginia Route 39.