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What is the purpose of a roundabout in highway design?

Practice Questions

Q1
What is the purpose of a roundabout in highway design?
  1. To increase traffic speed
  2. To reduce vehicle emissions
  3. To improve traffic flow and safety
  4. To provide pedestrian crossings

Questions & Step-by-Step Solutions

What is the purpose of a roundabout in highway design?
  • Step 1: Understand that a roundabout is a circular intersection where traffic flows in one direction around a central island.
  • Step 2: Know that roundabouts help to keep traffic moving smoothly without stopping, unlike traditional stop signs or traffic lights.
  • Step 3: Learn that roundabouts reduce the number of places where cars can collide, which makes driving safer.
  • Step 4: Realize that by allowing cars to merge and exit without stopping, roundabouts can decrease traffic congestion.
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