Interstate 57

Interstate 57 (abbreviated I-57) is an interstate highway in the midwestern United States. It goes from Miner, Missouri at Interstate 55 to Chicago, Illinois at Interstate 94. Interstate 57 serves as a de-facto bypass route for travellers from the south on Interstate 55 who are headed on their way to Chicago instead of going through St. Louis.

Bolded cities are officially-designated control cities for signs.

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Interstate 57 is the only Chicago expressway that does not have a name, although it is sometimes mistakenly referred to as the "Dan Ryan," which is actually the name for the section of I-94 and I-90 that connects to I-57.

The Illinois Department of Transportation is currently working on a project that will widen the alignment of Interstate 57, between Interstate 24 and Interstate 64 in southern Illinois, from four to six lanes.

After ending at Interstate 55, the highway continues as U.S. Highway 60, which meets U.S. Highway 67 at Poplar Bluff, Missouri and from here US 67 goes south to Little Rock, Arkansas. The state of Missouri has proposed extending the I-57 designation down this corridor. However, this plan conflicts with Arkansas' plans to extend the Interstate 30 designation north on US 67, a road of which a long section already meets Interstate highway standards.

Interstate 57 does not have an intersection with Interstate 294 (Tri-State Tollway) in northeastern Illinois. It is one of only a few Interstates that do not have interchanges with each other. Vehicles are directed to use Interstate 80 to access Interstate 294 instead, though U.S. Route 6 is another option.

Milemarkers on I-57 end at Mile 358 although the interstate is actually 6 miles longer. It is signed with Interstate 70 for about 6 miles which is why the markers end at 358.

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