U.S. Federal Route 20 runs in a east-west angle across Northeastern Du Page County. This is between the portions of Cook County that this highway passes through. Much of U.S. Rt. 20 is in the Interstate 290 and the Elgin-O'Hare Expressway corridor. U.S. Rt. 20 passes through the following towns in Du Page County. Hanover Park
EB U.S. Rt. 20 at the Cook/Du Page County Line. EB U.S. Rt. 20 east of IL St Rt 390. A BGS on NB I-355. A BGS on NB I-355. A BGS on SB I-355. A junction marker on SB IL St Rt 53. A BGS on WB I-290. WB U.S. Rt. 20 east of IL St Rt 53. WB U.S. Rt. 20 at Foxdale Dr. WB U.S. Rt. 20 at First Ave. A street sign on Lake Street in Addison. WB U.S. Rt. 20 west of Army Trail Road. WB U.S. Rt. 20 at IL St Rt 83. A BGS on SB IL St Rt 83. A BGS on SB IL St Rt 83. A BGS on NB IL St Rt 83. BGS on NB IL St Rt 83/EB TK IL St Rt 64. A street sign on a stop light mast in Elmhurst. EB U.S. Rt. 20/TK IL St Rt 64 in Elmhurst. WB U.S. Rt. 20/TK IL St Rt 64 west of I-290. EB U.S. Rt. 20/TK IL St Rt 64 at York. WB U.S. Rt. 20/TK IL St Rt 64 near I-290/York Road. WB U.S. Rt. 20/TK IL St Rt 64 at York Road. BGS on EB I-290. EB I-290/U.S. Rt. 20/TK IL St Rt 64 at York Road. EB I-290/U.S. Rt. 20/TK IL St Rt 64 east of York Road. A BGS on WB I-290. A BGS on WB I-290. A BGS on WB I-290. A BGS on WB I-290/U.S. Rt. 20. A BGS on WB I-290. A BGS on WB I-290. WB U.S. Rt. 20 west of I-294. A BGS on EB IL St Rt 64.