North-South Tollway - tunnel modifications, Contract CIP615A, Centerline Station 1150+00 to Station 1165 = 00, NW Ramp Station 57 + 50 to Station 63 + 50 (3.6288)
Date: circa 1993Creator: Illinois State Toll Highway Authority
Type: Map
Description:Tunnel located where North-South and East-West Tollways intersect. A few red pencil corrections.
Extent: 14 sheets stapled