The Alewife/West Cambridge thread prompted me to scan this and show it here, of the Alewife Red Line Station proposed in the late 1960s. The Red Line route would have followed the Fitchburg Division RR line and a new Route 2 Expressway. This plan got scrapped when the Route 2 and other proposed expressways were cancelled by Gov. Sargent in the early 70s. The proposed station would have included a shopping complex. The map view below is oriented south, with (what is now) Cambridgepark Drive horizontally bisecting the area, and Alewife Brook Parkway and Route 2 Expressway on the left;