Badger State Trail Badger State Trail The Badger State Trail is a rail trail in south central Wisconsin. The trail leads from the Wisconsin – Illinois state line to Madison passing through, from south to north, Monroe, Monticello, Belleville and Fitchburg. Near Monticello, the trail passes through the long, unlit Stewart Tunnel constructed in 1887. A state trail pass is required to bicycle or ski the trail, and the path is patrolled by Wisconsin Department of Natural Resources rangers. The Badger State Trail connects to the Capital City Trail in Madison, and the Jane Addams Trail at the state line (leading to Freeport,
Washington State Route 546 out of the state highway system for several years. Badger Road was re-added to the highway system in 1957 as a branch of SSH 1B, which ran north–south between Bellingham and the Canadian border. During the 1964 state highway renumbering, the trunk of SSH 1B became SR 539, SSH 1A became SR 9, and the Lynden branch of SSH 1B became SR 546. The renumbering was codified by the state legislature in 1970. In the 2000s, WSDOT began long-term planning for the SR 546 corridor, including determining replacements or retrofits for several intersections in northern Lynden that were the site