SD57 - Administrative and Functional Classification of Virginia's Highways
Executive Summary: The origins for both the administrative and functional classification systems are explored, with explanations provided for the evolution of both systems to their current status. Both systems are described relative to categorical stratification, and what is included and excluded from the two respectively. Uses made of each system are described, with a discussion for each use as to the reason for its relationship to either the administrative or functional system. A general discussion is given for procedures use to modernize and update each system. Comparisons of the two systems show inequalities for the categorical delineation for mileage. Reasons for this occurrence are provided. Differences in the public's understanding of the two systems and the need for data bases to support both systems are also discussed. Conclusions drawn are the two systems are different, and serve different purposes. Both are needed and efforts need to be made to achieve greater compatibility and efficiency. Toward that end, the Virginia Department of Transportation (VDOT) should integrate the needs for both the administrative and functional classifications into a single data base to serve both systems. |
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