Finally, pavement damage implications on two major NAFTA-traffic highways are examined for hypothetical combinations of enforcement rates, violation rates, traffic growth rates, and the year of NAFTA implementation. Major highway trade corridors and potential WIM enforcement sites in Texas are identified. This experience, as well as the experience of other states, provides further insight into the ability of a WIM system to aid in truck weight limit enforcement. Also, a description and assessment is presented of the first weigh station in Texas (on I-35 near Devine) that utilizes WIM as a sorting device. Attention is also given to the relative cost of each method, including initial (equipment, construction) and operating (maintenance, personnel) costs. traditional static weighing methods are itemized, and different enforcement techniques are evaluated and compared according to their capabilities, constraints, productivity, safety, accuracy, and applicability. The advantages and disadvantages of WIM sorting vs. The report contains a state-of-the-practice description of static weighing techniques currently used in Texas as well as a description of weigh-in-motion (WIM) technology that might be applicable to weight enforcement. A review of the current conditions along the Texas/Mexico border, with respect to trade, infrastructure, and weight regulations, provides background information on the subject. Feasible alternative technologies that should be considered by policymakers, engineers, and enforcement officers as they attempt to choose optimal truck weight enforcement methods for protecting the existing and future infrastructure are presented in this report. As nearly two-thirds of the U.S./Mexico truck traffic travels through Texas, the protection of Texas highways has become a forefront issue. and Mexico by permitting reciprocal access to roads in both countries. These provisions will enable less restricted trade between the U.S. and Texas roads, as well as the impending truck-traffic-related provisions of NAFTA. Sponsoring Agency Code Effective truck weight enforcement has become a critical issue as a result of the continual increase in the number of trucks on U.S. Supplementary Notes Supported by general revenues from the State of Texas. Sponsoring Agency Name and Address Southwest Region University Transportation Center Texas Transportation Institute The Texas A&M University System College Station, Texas 77843-3135 15. Performing Organization Name and Address Center for Transportation Research University of Texas at Austin 3208 Red River, Suite 200 Austin, Texas 78705-2650 12. Author(s) Kristin Marie Belfield, Nabil Souny-Slitine, Clyde E. Title and Subtitle Truck Weight Limit Enforcement Technology Applicable to NAFTA Traffic Along the Texas-Mexico Border 7.
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