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Posted on 1/4/15 at 1:03 pm to TigeRoots
quote:
I've always wondered why the cables are usually closer to one side than the other. Seems like they should be in the middle. Anybody know?
If I had to guess there are existing utilities and/or storm sewer lines/catch basins in the center that would conflict with a deep footing/posts for the cable rail. Some states do have them in the center.
A solution for a concrete barrier would be a thinner spread footing that a concrete barrier would sit on.
This post was edited on 1/4/15 at 1:05 pm
Posted on 1/4/15 at 1:04 pm to TigeRoots
From LINK
quote:
The middle is often a low spot, so there’s a “distinct possibility” of an errant vehicle vaulting over the cables. The soils are often poor, said Kent Barnard of MnDOT.
If one direction of the freeway is higher than the other, that side of the median gets the cable. Engineers also review which side of the road has had more drivers zooming into the median. They’ll place the cable on the opposite side to give the veering drivers more room to recover on their own
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