State highways in Wyoming
Wyoming Highway 340 is a short 1.35-mile (2.2 km) east-west Wyoming State Road that runs though the community of Story in southern Sheridan County.
Wyoming Highway 340 travels from Sheridan County Route 2 just west of Story east into the community as North Piney Creek Road. It changes into Crooked Street as it turns southeast in Story and reaches its eastern end at Wyoming Highway 194
The entire route is in Story, Sheridan County.