Only on 13: Group says prairies are under threat from proposed 36A North highwayThe Coastal Prairie Conservancy is asking people to email TxDOT to give feedback on 36A North, a proposed highway connecting parts of Waller County. The Coastal Prairie Conservancy is asking people to email TxDOT to give feedback on 36A North, a proposed highway connecting parts of Waller County. The Coastal Prairie Conservancy is asking people to email TxDOT to give feedback on 36A North, a proposed highway connecting parts of Waller County. The Coastal Prairie Conservancy is asking people to email TxDOT to give feedback on 36A North, a proposed highway connecting parts of Waller County. Residents have until July 31st to give TxDOT feedback on the suggested 36A North routes.