Illinois State Toll Highway Authority
Illinois State Toll Highway Authority
May 1985
Illinois State Toll Highway Authority
March 1 1986
Illinois State Toll Highway Authority
March 1 1986
Illinois State Toll Highway Authority
March 1 1986
Illinois State Toll Highway Authority
February 9 1987
Illinois State Toll Highway Authority
February 24 1987
Illinois State Toll Highway Authority
February 9 1987
Illinois State Toll Highway Authority
February 9 1987
Illinois State Toll Highway Authority
February 9 1987
Illinois State Toll Highway Authority
February 9 1987
Illinois State Toll Highway Authority
February 12 1987
Illinois State Toll Highway Authority
February 24 1987
Illinois State Toll Highway Authority
February 12 1987
Illinois State Toll Highway Authority
February 12 1987
Illinois State Toll Highway Authority
February 12 1987
Illinois State Toll Highway Authority
February 12 1987
Illinois State Toll Highway Authority
March 12 1959
Illinois Division of Highways
March 12 1959
Illinois Division of Highways
August 17 1990
Roake & Associates, Inc.
August 28 1956
George W. Barton and Associates
August 8 1957
George W. Barton and Associates
October 25 1992
Illinois Division of Highways