Emergency crews have been working through the night to keep the fuel from going down sewer drains. The cleanup was affecting traffic on the I-55 ramp at First Avenue.
Neighboring village of McCook emergency crews have been asked to assist with the fuel spill. McCook police were notified about 12:40 a.m. Monday, a dispatcher said.
Unconfirmed dispatch reports indicated 3,500 gallons of unleaded gasoline was spilled.
Another unconfirmed dispatch report said a Level I HazMat, which automatically sends five ambulances, was called.
Police had blocked off roads Monday morning westbound on S. Archer Rd. from 1st Avenue to South Harlem Road, southbound on 1st Avenue (Route 171) to West 59th Street, and northbound on 1st Avenue to West 55th Place.
The Sun-Times Media Wire contributed to this report.