Ordinances are listed sequentially along the line, along with further commentary.
18th St.
September 8, 1879
Ordinance for 18th St. viaduct over paralleling Illinois Central (Chicago Madison & Northern) and Santa Fe and Chicago & Western Indiana.
22nd St. to Ash Street
May 22, 1899
Ordinance for elevation of paralleling Illinois Central (Chicago Madison & Northern) and Santa Fe from 22nd St. (Cermak Rd.) to Ash Street, and elevation of paralleling Chicago Terminal & Transfer Railroad and Pittsburgh Cincinnati Chicago & St. Louis and Chicago Junction Railway from 34th St. to Western Blvd. (near Pershing Rd.) Deadline for completion December 31, 1902. Ordinance amended June 26, 1899, extending deadline for completion to December 31, 1903. Ordinance amended December 21, 1903, extending deadline for completion to December 31, 1904.
California Ave. to Kedzie Ave.
March 6, 1899
Ordinance for elevation of Santa Fe from California Ave. to Kedzie Ave. Deadline for completion December 31, 1899.
Kedzie Ave. to Cicero Ave.
July 15, 1925
Ordinance for elevation of Santa Fe from Kedzie Ave. to Cicero Ave., and at 38th St. near Corwith Yard. Ordinance also for Robey St. (Damen Ave.) viaduct over paralleling Santa Fe and Illinois Central (Chicago Madison & Northern).
Pulaski Rd.
July 8, 1921
Ordinance for Crawford Ave. (now Pulaski Rd.) viaduct over Santa Fe and Chicago & Alton.
Corwith Yard to 47th St.
November 24, 1930
Ordinance for elevation of Santa Fe through Corwith Yard to 47th St. Deadline for completion December 31, 1931. Ordinance amended March 23, 1932, extending deadline for completion to April 15, 1932.