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The Scientific Argument for Dramatically Increasing Road Taxes on Trucks 

Posted On 10th February 2017

Road Fixing Back in the 1960s, highway engineers developed a rule of thumb called the “Fourth Power Rule”, which I learned about in the following article:http://www.cyclelicio.us/2014/fourth-power-rule-road-tax/The rule says that if you double the weight on an axle, your vehicle does sixteen times the damage to the road.  So, it seems rational that trucks should pay proportionately much more in highway usage taxes than they currently do, since the weights they pull are much more damaging to ...