F.A. Route 24, S.B.I. Route 23, Illinois Route 23, Section 1Z-B, LaSalle County, Ottawa, Illinois
A New Cross-Wind Runway at Ingersoll Airport, Fulton County, Canton, Illinois
Illinois Project F-25l, FA Route 25 (Illinois Route 29) Pekin Bypass, Tazewell County
Balloons to jets : a century of aeronautics in Illinois, 1855-1955
F.A.P. Route 68 (Illinois Route 4), Section 111-R, Madison County, Illinois
Airport Project at Pittsfield, Illinois
Illinois 161, in and Adjacent to Centralia, Illinois
Federal-Aid Route 171 (Illinois Route 76), Belvidere By-pass, Boone County, Illinois