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Questions and Answers
What is the definition of a tunnel?
What is the definition of a tunnel?
- An above ground passage for transportation
- A structure built over a water obstacle
- An enclosed roadway with vehicle access at multiple points
- An underground passage for transportation connection between two points (correct)
What is the primary reason for building a tunnel when encountering a mountain?
What is the primary reason for building a tunnel when encountering a mountain?
- To create a scenic route for tourists
- To construct underground parking facilities
- To build an elevated pathway over the mountain
- To avoid bypassing the mountain (correct)
According to AASHTO, what defines a tunnel?
According to AASHTO, what defines a tunnel?
- A structure with unrestricted vehicle access
- An enclosed roadway with vehicle access at multiple points
- A bridge connecting two points underground
- An enclosed roadway with vehicle access restricted to portals (correct)
What are tunnels considered feasible alternatives for?
What are tunnels considered feasible alternatives for?
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Apart from transportation, what else are tunnels built for?
Apart from transportation, what else are tunnels built for?
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