List of highways numbered 99W

The following roads have been numbered 99W:

United States

 * US 99W California 1926.svg U.S. Route 99W (central California), Manteca to Stockton
 * US 99W (1961 cutout).svg U.S. Route 99W (northern California), Sacramento to Red Bluff
 * US 99W.svg U.S. Route 99W (Oregon)
 * OR 99W.svg Oregon Route 99W