Outline of projected highway systems of State, to give productive regions outlet to north and south railroad trunk line; specifications call for road 5.5 m. wide, properly drained and with surfacing where required; bridges of masonry or timbers, according to importance; toll charges averaging two centavos per km. are anticipated to yield sufficient for proper maintenance.
Roads in state of Zacatecas
Caminos en el estado de Zacatecas
Ingenieria ; 3 , n 5
1929
2 pages
Article (Journal)
Spanish
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