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I'll have to check out the green book. I don't do a lot of road work so I forget about that book from time to time.

Taking the load up and leaving it there.

I am concerned for the grade just for the sake that it can make it up the hill. This is really going to be a one time use thing, so I'm not concerned if the road gets damaged in the process.

I am working on a project outside of the US that will bring a 30 ton load on a tractor trailer up a mountainous area. There is a section where the existing grade is 19% for a distance of 75'. We were thinking of knocking the slope down by bringing in fill (excavating is not an option because of...