Apx 48 mile PAVED or CRUSHED LIMESTONE trail which was old railway line. Still, possibly of interest to MTB because of the The trail extends from Fitchburg, WI (suburb of Madison), to the Illinois state line. The number one feature of the trail is the 1/4 mile Stewart Tunnel.<br />
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http://www.badger-trail.com/BadgerStateTrailMap.pdf
At any point, especially connection points - Monticello | Belleville| Monroe |Basco | Fitchburg
http://www.singletracks.com/item.php?c=1&i=8027