WSDOT - Historic Traffic Sections 2011

This dataset provides directional traffic data for application to the modified, or full design level matrix in Chapters 430, or 440 of the Design Manual to establish the appropriate design class for the Design Elements of a project. Updated DHV values and SRMPs have been added.本数据集提供定向交通数据，可应用于《设计手册》第430章或第440章中的修正版或完整版设计水平矩阵，以确定项目设计要素对应的合适设计等级。本次更新新增了设计小时交通量（DHV）数值与SRMP相关内容。