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13 <br /> <br /> <br /> <br />Cass County Highways: Design Standards <br />The typical section of a County Highway is rural in nature with two lanes, either paved or gravel surface. <br />Different modes of travel and location of roadways to population centers, agricultural points of traffic, or <br />schools sometimes require different needs. Further drainage needs may vary from roadway to roadway. Table <br />4 summarizes the Design Standards for New or Reconstruction of Existing Cass County Highways. Starting in the <br />winter of 2021 select roads were increased to 65 mph, based on clear zone, vertical and horizontal curve data. <br />See Appendix 20 for more details. CMC (County Major Collector) roads that federal funds can be used for <br />reconstruction and paving projects. Off- System roads cannot utilize federal funding for road improvements but <br />can use them for bridges over 20’ in length. <br />