Iowa. Dept. of Transportation. Office of Systems PlanningIowa. Dept. of TransportationUnited States. Federal Highway Administration2010-04-212010-04-211995-01https://hdl.handle.net/1794/1032182 p. Illustrationsen-USBicycle trails -- Iowa -- Design and construction -- Handbooks, manuals, etc.Trails -- Iowa -- Design and construction -- Handbooks, manuals, etc.Bicycle trails -- Iowa -- PlanningBicycle commuting -- IowaUrban transportation policy -- IowaBikewaysBicycle facilitiesBicycle transportationBicycle facilities network identification handbookOther