Truck Weight Enforcement on a WIMby Kneeland A. Godfrey, Jr.,
Serial Information: Civil Engineering—ASCE, 1986, Vol. 56, Issue 11, Pg. 60-63
Document Type: Feature article
Pavements on interstate highways and other major truck routes are deteriorating faster than predicted. The cause is largely the larger-than-predicted number of the heaviest, 5-axle trucks. Agreement is growing that overweight trucks must be kept off the highways, and that the heaviest ones—at least those that travel long distances—should pay more. A key to solving both problems is weight-in-motion (WIM) systems. Case histories outline Georgia's use of WIM along with static scales at every Interstate port-of-entry, Maryland's use of WIM to gather the data leading to thicker (stronger) concrete Interstate pavements, and Oregon's use of WIM to activate you're too heavy to use this weight-limited bridge signs. In the future, WIM may be used together with automatic vehicle identification (AVI) systems to record heavy trucks' weight and distance traveled; that information will aid in administration of weight-distance taxes, which may be introduced in more states and perhaps by the federal government.
Subject Headings: Trucks | Highways and roads | Concrete pavements | Automatic identification systems | Federal government | Case studies | Pavement condition | Vehicle-pavement interaction
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