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Traffic Control Devices Vehicle Restriction <br />Purpose <br />Truck route ordinances, or weight restrictions <br />are place on streets and roadways for various 0 <br />reasons. Some of these reasons include noise, <br />excessive traffic volumes, speeds, and M77MIT RUCKS <br />safety concerns. (Does not refer to normal use ( I I <br />of spring time load restriction for pavement V OVER <br />preservation preservation purposes.) 7000 LBS <br />R14 -5 ROUTE EMPTY WT <br />R14 -1 R12 -3 <br />Source: FHWA Manual on Uniform Traffic Control Devices <br />Effects <br />Volumes <br />Heavy vehicle volumes may be reduced <br />Speed <br />No effect <br />Traffic Noise <br />Noise may be reduced <br />Traffic Safety <br />Little or no effect <br />Advantages <br />• 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 <br />• Traffic usually is shifted to a different street <br />• Businesses that generate the heavier traffic can complain 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 <br />• Cut - through traffic <br />• High volumes <br />• High collision rates <br />Design <br />• Legality of the truck route — can not be used on state aided county and city <br />roadways. <br />APRIL 2005 13 <br />