Development of trolley bus and increased use in various cities throughout United States; steam-railroad electrification expands; railway substations.
1930 in electric railway field
Aera
Aera ; 22 , n 1
1931
3 pages
Article (Journal)
English
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Review of railway operations in 1930
Engineering Index Backfile | 1931
|Railway budgets for 1930 total $1,050,000,000
Engineering Index Backfile | 1929
Review of railway operations in 1930
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