Engineering Stack Exchange
Engineering Stack Exchange

Questions tagged [highway-engineering]

Highway engineering covers the design of highways, in particular: layout (vertical and horizontal), surfacing design and drainage

Highway engineering covers the design of highways, in particular:

  • layout (vertical and horizontal)
  • safety
  • surfacing design
  • drainage
50 questions
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1 answer

What are these banded earthworks near a freeway overpass for and what are they called?

The satellite view of this overpass (on Google Maps) shows some banded earthworks. When driving by, you can see that each band is an elongated triangular shape (street view): My guess is that these earthworks act as a wind break by making the…
CJ Dennis
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Why are roads straightened when widened?

When widening a road, why does construction seem to inevitably include a "smoothing" out of the curves on the road, essentially making it more straight? I've seen this personally on roads where I travel, and you can even catch a glimpse on Google…
Will
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vote
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For an at-grade intersection of multi-lane roads, what are the (dis)advantages of a "turborotonde" or "turboplein" compared to a classical roundabout?

For an at-grade intersection of multi-lane roads, the "Turborotonde" (Dutch language Wikipedia article) or "Turboplein" (Dutch language wegenwiki article) is an alternative to the multi-lane roundabout: Source: Juerd, Wikimedia Commons, CC-BY-SA…
gerrit
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2 answers

formula for super elevation

I'm practicing some questions for my upcoming exam and I need the formula for super elevation when you've been given the coefficient of lateral friction in the question
user29722
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Are there any turborotonde / turboplein designs with more than four exits?

For an at-grade intersection of multi-lane roads, the "Turborotonde" (Dutch language Wikipedia article) or "Turboplein" (Dutch language wegenwiki article) is an alternative to the multi-lane roundabout: Source: Juerd, Wikimedia Commons, CC-BY-SA…
gerrit
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