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<br />Traffic Control Devices <br /> <br />Vehicle Restriction <br /> <br />"'_......_,.__.,w~,.,.,___w_~~__~_~_:'\ <br /> <br />Purpose <br />Truck route ordinances, or weight restrictions <br />are place on streets and roadways for various <br />reasons. Some of these reasons include noise, <br />excessive traffic volumes, speeds, and <br />safety concerns. (Does not refer to normal use <br />of spring time load restriction for pavement <br />preservation purposes.) <br /> <br />~~- <br />~ TRUCK <br />ROUTE <br /> <br />ALL TRUCKS <br />COMMERCIA <br />\I HICLES <br />T RIGHT <br /> <br />NO <br />TRUCKS <br />OVER <br />7000 LBS <br />EMPTY WT <br /> <br />Ri4-5 <br /> <br />Ri4-i <br /> <br />R12-3 <br /> <br />Source: FHWA Manual on Uniform Traffic Control Devices <br /> <br />Effects <br /> Volumes Heavy vehicle volumes may be reduced <br /> Speed No effect <br /> Traffic Noise Noise may be reduced <br /> Traffic Safety Little or no effect <br />Advantages . Possible reduction in noise and volumes <br /> . Restrictions viewed in a positive manner by the neighborhoods <br /> . Preservation of structural integrity and life of a street <br />Disadvantages . Traffic usually is shifted to a different street <br /> . Businesses that generate the heavier traffic can compiain of hardships and <br /> inconveniences <br /> . Other heavy vehicles that serve the neighborhood may be restricted (school <br /> buses, garbage trucks, delivery vehicles, etc.) <br />Problem Target . Cut-through traffic <br /> . High volumes <br /> . High collision rates <br />Design . Legality of the truck route - can not be used on state aided county and city <br /> roadways. <br /> <br />APRIL 2005 <br /> <br />13 <br />