Quick, low-cost method of widening existing highways for increased wartime traffic is presented; design and pavement thickness are shown in sectional drawing illustrating crusher screenings insulation course, dry choked stone, slag or gravel sub-base, asphaltic concrete base course, and asphaltic concrete surface course.
Low-cost road widening method assists increased wartime traffic
Eng Contract Rec
Engineering and Contract Record ; 54 , n 33
1941
Aufsatz (Zeitschrift)
Englisch
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