Plan set for Gustine Lake Interchange, SR 8045, Section GUS. Includes traffic signal plan, pavement and marking delineation plan, traffic control plan, temporary signal plan and signing and sign lighting plan, 2010 January 6, Drawer: W23 & W24, Folder: 4. Wissahickon Valley Park Maps, Plans and Drawings, FP.2011.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/49996 Accessed December 26, 2025.