Ordinances passed by the City of Chicago, requiring the railroads to elevate their trackage. Ordinances are listed chronologically at the Chicago Track Elevation page, which contains a more comprehensive background on track elevation in Chicago.
Ordinances are listed sequentially along the line, along with further commentary.
Milwaukee Ave. to Irving Park Rd.
February 21, 1898
Ordinance for elevation of Milwaukee Road Milwaukee Division from Spaulding Ave. to Irving Park Rd., for elevation of Milwaukee Road Council Bluffs Division from Lawndale Ave. to 40th Ave. (now Pulaski Rd.), and elevation of Chicago & North Western Mayfair Cutoff from Milwaukee Ave. to Irving Park Rd. Deadline for completion May 1, 1900.
Irving Park Rd. to Foster Ave.
December 29, 1913
Ordinance for elevation of Milwaukee Road Milwaukee Division from Irving Park Rd. to Elston Ave., for elevation of Chicago & North Western Mayfair Cutoff from Irving Park Rd. to Foster Ave., and elevation of Chicago & North Western Wisconsin Division from Kostner Ave. to Central Ave. Various deadlines for completion of certain segments, deadline for final completion December 31, 1925. Ordinance amended May 21, 1917, extending limits on Chicago & North Western Wisconsin Division from Central Ave. to Foster Ave. Ordinance amended January 30, 1925, extending deadline for completion to July 1, 1927.
Grade crossing continued to exist at Bryn Mawr Ave.
Rogers Ave. to Peterson Ave.
July 25, 1927
Ordinance for elevation of Chicago & North Western Skokie Line from Rogers Ave. to Peterson Ave., and elevation of Chicago & North Western Weber Line at Peterson Ave. Deadline for completion December 31, 1928.