Early construction of Northwest & Edens junction in 1959

This view in the spring of 1959 shows a very early stage of the construction on the Northwest Expressway.  Cicero Avenue is in the foreground with Edens in the top right and Mayfair Junction where the Chicago Northwestern and the Milwaukee Railroads cross at the lower left.  The structure under construction will carry Cicero Avenue and the Milwaukee Road tracks over the Northwest Expressway just west of the split with the Edens expressway.  The westbound lanes will go under the bridge in the lower right corner.  The two bridges in the middle and upper right are Wilson and Lawrence Avenue’s, respectively. The work on this tri-level structure was accomplished without shutting down Cicero or compromising the operation of the railroads. (Cook County Highways magazine/July 1951/Carl Kowalski Collection)