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[quote]QUOTE: Originally posted by rrandb The largest objection is from state and federal DOT's whose roads and bridges are crumbling at 80K. Our roadbeds under the roads were only designed for 80K and they are not doing well now. [/quote] So why would the rail industry also want stricter GVW limits? Is it just a deep seated concern they have for our poor old highway departments? Here's an interesting observation - If you had driven on the I-90 viaduct through Spokane, you would see rutting occurring. In fact the viaduct is being repaired for the rutting even as we speak. Now, one would naturally assume that the rutting is caused mostly by trucks. However, there is a flaw to this assumption in the case of the Spokane viaduct. For you see, the rutting has occurred equally in all three lanes for both the westbound and eastbound lanes. Yet, most trucks have been using the middle lane for most of the time, with a few in the right lane, and almost never in the left lane. If trucks are the *cause* of this rutting, how is it that the rutting is evenly applied across the lane spectrum, seemingly independent of where the most trucks operate? Obviously, the high frequency of usage by passenger vehicles is the number one suspect for this pavement damage, not heavy trucks. Seems then there is a flaw in the usual assumption that it is trucks that cause most of the damage to highways.
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