Tiny nit, but from Wikipedia and [0], road damage goes up closer to the fourth power of axle weight. Just further support of your point: rail is absolutely the

Tiny nit, but from Wikipedia and [0], road damage goes up closer to the fourth power of axle weight. Just further support of your point: rail is absolutely the way to go, especially as it's all in place already. [0] - http://www.pavementinteractive.org/article/equivalent-single-axle-load/ http://www.pavementinteractive.org/article/equivalent-single...