Wisconsin State Route 120 runs north-south through Walworth County. The northern end is at an interscertion with I-43 at East Troy. With the southern end at the Wisconsin/Illinois State Line. WI St Rt 120 passes through the following towns in Walworth County. Lake Geneva Springfield
South end of WI St Rt 120 at the Wisconsin/Illinois State Line. Sign at the Wisconsin/Illinois State Line. Looking north at WI St Rt 120 at the Wisconsin/Illinois State Line. NB WI St Rt 120 at the Wisconsin/Illinois State Line. NB WI St Rt 120 at Walworth County Highway B. A junction marker on EB WI St Rt 50. A guide marker on WB WCH H. A BGS on WB U.S. Rt. 12. A BGS on WB U.S. Rt. 12. A BGS on EB U.S. Rt. 12. A BGS on WB U.S. Rt. 12. BGS on WB U.S. Rt. 12 at Lake Geneva. A guide sign in the round-a-bout at U.S. Rt. 12. NB WI St Rt 120 north of U.S. Rt. 12. NB WI St Rt 120 south of Springfield. NB WI St Rt 120 at WI St Rt 36. A junction marker on EB WI St Rt 11. A set of guide markers on EB WI St Rt 11. NB WI St Rt 120 north of Spring Prairie. A BGS on SB I-43. A BGS on NB I-43. North end of WI St Rt 120 at I-43.
