Brand new mountain roads aren’t built very often because they can be ten times more expensive than flat roads and are extremely difficult to build. How are these steep inclines and sharp turns designed to keep drivers safe in places like the Rocky Mountains?
WSJ traveled to Colorado to ask a structural engineer with over 25 years of experience to break
down the complicated process of designing and building mountain roads.
Chapters:
0:00 Building mountain roads
0:33 Vertical alignment
1:09 Horizontal alignment
3:08 Rockfall mitigation
4:08 Drainage
News Explainers
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