Geographical distribution of bridges; only 9 states that have no toll bridges in operation or building within state or on boundary stream; types of bridges and amount of investment; toll bridge earnings.
Toll bridges on increase
Highway Engr. Contractor
Highway Engineer and Contractor ; 19 , n 5
1928
Article (Journal)
English
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Traffic increase of one-third ascribed to toll bridges
Engineering Index Backfile | 1928
Engineering Index Backfile | 1928
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