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Guidelines for Spring Highway Use Restrictions
About this film
Washington State Department of Transportation Video VH-301 Guidelines for Spring Highway Use Restrictions This tape combines slides and video to examine the causes effects of frost heaves and pavement weakening, and presents guidelines for seasonal truck weight restrictions and road closing to minimize pavement damage. The following questions are addressed: Where should restrictions be applied? How much should loads be restricted? Whey should restrictions be applied and removed? Calculation of freezing and thawing indexes is explained.
Directors & creators
Washington State Department of Transportation
Subjects
dot.wa.gov;public.resource.org
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