A Proposal for Vehicular Tunnels as an Alternative to a Conventional Expressway System Through Urban-Suburban Areas, Prepared by Edwin F. Gillen, State of Illinois, Division of Highways, 1970
File — Box: 124, Folder: 3
Scope and Contents
From the Sub-Series:
Subseries 6 contains reports about transportation infrastructure, including many project reports and studies on highways.
Dates
- Other: 1970
Extent
From the Collection: 273 Cubic Feet : 218 archival boxes and 26 oversize boxes.
Language of Materials
From the Collection: English
Repository Details
Part of the City of Pittsburgh Archives Repository
Contact:
414 Grant St.
Pittsburgh PA 15219 United States
414 Grant St.
Pittsburgh PA 15219 United States