Human Factors in Intelligent Transportation Systems

By Woodrow Barfield; Thomas A. Dingus | Go to book overview

C H A P T E R 4
COMMERCIAL VEHICLE-SPECIFIC ASPECTS OF INTELLIGENT TRANSPORTATION SYSTEMS

William A. Wheeler

John L. Campbell

Rhonda A. Kinghorn

Battelle Human Factors Transportation Center

Commercial vehicles represent a unique portion of Intelligent Transportation System (ITS) consumers. This chapter describes some of the necessary human factors considerations in the design of ITSs that will support this portion of the driving public. These considerations are the result of both physical and operational differences that exist between commercial vehicles and the general driving population. The discussion concentrates on commercial vehicle operations that have the greatest potential impact on ITS design.


CHARACTERISTICS OF COMMERCIAL VEHICLES

Most of us recognize the eighteen-wheeler that seems ever present along the freeway as a commercial vehicle. A closer examination of the term, "commercial vehicle," however, reveals that the distinguishing characteristic of a commercial vehicle is as much a matter of fiscal regulation1 as of vehicle construction. Under an economic, rather than a regulatory definition of

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1
The U.S. Department of Transportation defines a Commercial Motor Vehicle as a "motor vehicle used in commerce to transport passengers or property if the vehicle (a) has a gross combination weight rating of 26,001 or more pounds inclusive of a towed unit with a gross vehicle rating of more than 10,000 pounds, or (b) is of any size and used in the transportation of materials found to be hazardous for the purposes of the Hazardous Materials Transportation Act, which requires that the motor vehicle be placarded under the Hazardous Materials Regulations (Code of Federal Regulations, Part 383.5).

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