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Is it necessary to have a 300 concrete slab in the vicinity of the WIM scale?

April 26, 2017concrete necessary scale slab vicinity WIM

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Is it necessary to have a 300 concrete slab in the vicinity of the WIM scale?

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The accuracy of the WIM scale is dependent upon the smoothness of the road as specified in ASTM E1318-02. A concrete slab is a good idea at ramp sorters where trucks brake as they leave the highway. However, several states have successfully implemented and operate mainline sorter scales installed in asphalt that is and well maintained.