Keywords: Dan Ryan Expressway-1970.jpeg Dan Ryan in 1970 Dan Ryan West Leg at Genoa Avenue The Dan Ryan West Leg is now more commonly called Interstate 57 From http //www fhwa dot gov/byday/fhbd1205 htm per above 1970 PD-LAYOUT; PD-USGOV PD-USGov Wikipedia upload log All user names refer to en wikipedia 2004-05-06 20 30 Kevin Saff 304×208×8 26656 bytes <nowiki>Dan Ryan Expressway in 1970 </nowiki> Dan Ryan Expressway Roads in Chicago Illinois Black and white photographs of bridges in Chicago 1970 in Chicago Road bridges in Illinois Girder bridges in Illinois 1960s bridges in Illinois Built in Illinois in 1968 Bridges in the United States completed in 1968 Steel bridges in the United States Bridges less than 0 1 kilometers Frontage roads |