I-81 south approaching Exits 1B and 1A - US-58 West/US-421/Gate City/Bristol.
I-81 South - Exits 1A and 1B
I-81 south approaching Exit 1B - US-58 West/US-421 North/Gate City. Approaching Exit 1B - US-421 South/Bristol. This is the last exit in Virginia on I-81 south.