U.S. Federal Route 20 curves it's way through this portion of Cook County by passing through the collar suburbs of Chicago, before turning east and heading through the southside of Chicago to Indiana. U.S. Rt. 20 passes throught the following towns in Southern Cook County. Northlake
Stone Park
Melrose Park
Bellwood Hillside
Westchester
La Grange Park
La Grange Countryside Hodgkins Justice Willow Springs
Hickory Hills Bridgeview Chicago Ridge
Oak Lawn
Evergreen Park Chicago
U.S. Rt. 20 is multi-plexed in Southern Cook County. U.S. Rt. 12, from Melrose Park to the Indiana State Line.
U.S. Rt. 45, from Melrose Park to near Hickory Hills.
A BGS on EB IL St Rt 64. WB U.S. Rt. 20 at I-294. A BGS on NB I-294. A junction marker on SB Railroad Ave. EB U.S. Rt. 20 east of Railroad Ave. EB U.S. Rt. 20 at 44th. A junction marker on EB U.S. Rt. 20. A guide marker in Northlake. A junction marker on EB U.S. Rt. 20. Street signs on a stop light mast in Melrose Park. EB U.S. Rt. 12/20; SB U.S. Rt. 45 south of Lake Street. A BGS on EB I-290. A BGS on EB I-290. A BGS on EB I-88/IL St Rt 110. A junction marker on EB IL St Rt 38. EB U.S. Rt. 12/20; SB U.S. Rt. 45 in La Grange Park. A junction marker on EB U.S. Rt. 34. A arrow on EB U.S. Rt. 34. EB U.S. Rt. 12/20; SB U.S. Rt. 45 north of I-55. A BGS on NB I-55. Another BGS on NB I-55. EB U.S. Rt. 12/20; NB U.S. Rt. 45 in Willow Springs. A BGS on NB IL St Rt 171. EB U.S. Rt. 12/20; SB U.S. Rt. 45 near I-294/IL St Rt 171. A BGS on SB I-294. A BGS on SB I-294. A BGS on NB I-294. A BGS on NB I-294. A BGS on NB I-294. A BGS on SB I-294. A BGS on SB I-294. WB U.S. Rt. 12/20 at Hickory Hills. WB U.S. Rt. 12/20 west of IL St Rt 43. A junction marker on NB IL St Rt 43. A set of guide markers on NB IL St Rt 43. A BGS on NB IL St Rt 43. A BGS on NB IL St Rt 43. A set of junction markers on NB Ridgeland Ave. EB U.S. Rt. 12/20 in Oak Lawn. EB U.S. Rt. 12/20 east of 54th in Oak Lawn. EB U.S. Rt. 12/20 at Cicero Ave in Oak Lawn. A junction marker on NB IL St Rt 50. EB U.S. Rt. 12/20 east of Cicero Ave. in Oak Lawn. EB U.S. Rt. 12/20 in Evergreen Park. BGS on EB I-94. A temporary BGS on the EB Chicago Skyway. (Aug., 2004) A BGS on EB I-90/Skyway. A BGS on EB I-90/Skyway. EB U.S. Rt. 12/20; SB U.S. Rt. 41 near 103rd Street.
