Illinois 137 is a route in Lake County that has an odd "J" shape. It begins at IL83 in Grayslake, heads southeast, then turns east on Buckley Rd., then turns north to end at the Wisconsin state line, where it becomes WI32.
Intersections from west to east to north:
IL83 at Grayslake
US45 near Libertyville
IL21 at Libertyville
US41 near North Chicago
IL43 near North Chicago
IL131 at North Chicago
(then IL137 turns north-south) IL120 at Waukegan
IL173 at Zion
IL137 ends at the Wisconsin border. If you keep going, you'll be on Wisconsin Route 32.
It passes through these towns: Grayslake, Libertyville, Green Oaks, North Chicago, Waukegan, Beach Park, Zion, and Winthrop Harbor.
