Guidelines for Spring Highway Use Restrictions
Channel: PublicResourceOrg
Date: 2010-08-30

Guidelines for Spring Highway Use Restrictions - Washington State Department of Transportation   - Video VH-301 - 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.