Illinois State Route 43 is one of few surface routes that crosses all the way, north-south, across Cook County. IL St Rt 43 passes through the following towns in Cook County. Tinley Park
Orland Park
Palos Heights
Worth
Chicago Ridge
Oak Lawn
Bedford Park
Bridgeview
Burbank
Summit
Forest View
Stickney
Lyons Riverside
Berwyn Forest Park Oak Park
Elmwood Park
Chicago
Norridge Harwood Hieghts Niles
Morton Grove
Glenview
Northfield Northbrook
IL St Rt 43 is multi-plexed in Cook County U.S. Rt. 14, at Morton Grove.