Foundation laid for expansion of both state and federal highways, east and west, bringing development of United States into history of transportation. Read before Pa. Automotive Assn.
History of road development in Pennsylvania highly interesting
Nation's Traffic
Nation's Traffic ; 2 , n 11
1929
3 pages
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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Brief history of Pennsylvania road development
Engineering Index Backfile | 1928
|Engineering Index Backfile | 1918
|Pennsylvania rail and road services
Engineering Index Backfile | 1929
An interesting cross-country electric road
Engineering Index Backfile | 1899
The old national road in Pennsylvania
Engineering Index Backfile | 1916
|