1981 estimate of the cost of completing the national system of interstate and defense highways in the state of Illinois, August 1980 (data as of December 31, 1979)
By: prepared by the Illinois Department of Transportation in cooperation with the Federal Highway Administration, Department of Transportation in accordance with section 104 (b)(5), title 23, U.S. code, highways.
Contributors: United States. Federal Highway Administration.
Publisher: Illinois Dept. of Transportation
Published: 1980
Place of publication: [Springfield, Ill.]
Language: eng
Number of pages: 197
Subjects: Interstate Highway System -- Estimates -- Illinois.
Notes: Cover title.