Interstate 490 ( I-490 ) , also known as O'Hare West Bypass and Western O'Hare Beltway , is a proposed electronic toll highway and a beltway near Chicago that would run along the west side of O'Hare International Airport . The tollway would connect Interstate 294 ( I-294 , the Tri-State Tollway ) to a western access point to the airport . From there , it would continue northward to an extension of the Illinois Route 390 and I-90 ( Jane Addams Memorial Tollway ) . The O'Hare Western Bypass is part of the Elgin – O'Hare Western Access ( EOWA ) project . Building the highway would affect the villages of Elk Grove Village , Wood Dale , Itasca and Bensenville . . The proposed route runs through the American Airlines Flight 191 crash site , the deadliest aviation accident in U.S. history
American Airlines Flight 191
American Airlines Flight 191
Interstate 490 (Illinois)