Route 73 begins at
U.S. Route 65 in the northern tip of the town of
Buffalo in
Dallas County. It runs east for a short time before turning to the northeast and intersecting Route DD. The highway heads farther northeast and meets
Route 64 in
Pumpkin Center. North of the Route 64 intersection, the highway runs through
Tunas. In Tunas, Route 73 intersects Routes D and E. Farther northeast, the route meets Route PP before crossing into
Camden County. In Camden County, Route 73 heads through the Branch Towersite and the town of
Branch. It then ends at
U.S. Route 54 southwest of
Macks Creek. a system of highways important to the nation's defense, economy, and mobility. ==History==