Minnesota highway department has 1500 trained men, large amount of mechanized equipment and efficient road-information service to help it achieve its goal; natural snow fencing, wind-swept grade lines, snow clearing equipment and operations are described.
Goal: all trunk roads passable all time
Better Roads
Better Roads ; 28 , n 1 ; p 19-20 + 28-29
1958
2 pages
Aufsatz (Zeitschrift)
Englisch
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