City of Madison Map DataMadison Urban Area Boundary. Approved 4/3/2013. The Urban Area Boundary determines or affects: The eligibility of areas for Federal Surface Transportation Program (STP) Urban and other FHWA and Federal Transit Administration Funding; the functional classification of roadways; and roadway levels of service and access management standards.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/07b6322754064046b38140b03f881ad2_22engCity of Madison, WI GIS Open Data PortalPublicMadison Urban Area Boundary [Wisconsin--Madison]Web servicesWisconsin--MadisonWisconsinLast Modified: 2020-10-26