final report of its center project weigh in motion evaluation virginia tech transportation institute a research for the implementation us dot university field and modeling framework case study truck station operations authors abryan j katz hesham rakha 3500 plaza 0536 blacksburg va 24061 tel 540 231 1505 fax 1555 e mail hrakha vt edu january 2002 executive summary i wim systems improve capacity significantly by screening trucks while traveling at high speeds only requiring within threshold maximum permissible gross axle weight to be weighed on more accurate static scales consequently operation is highly dependent accuracy system this develops procedure relating vehicle evaluating scale stephens city examined demonstrate how can applied evaluate