Wyoming Highway 311
Wyoming Highway 311 (WYO 311) is a north-south Wyoming State Road located in central Platte County, Wyoming that runs from Wyoming Highway 310, west of Wheatland, to Platte County Routes 139 & 90 northwest of Wheatland. Route description. Wyoming Highway 311 is a fairly short state highway located west of Wheatland in the CDP of Westview Circle. Wyoming 311 runs from WYO 310 (Hightower Road) north to an intersection with Platte County Route 139 and County Route 90 (Fletcher Park Road).