39.7. Summary

Try these first

1. 1.

   What is a traffic intersection?

   Hint

   Think about where roads meet.

2. 2.

   Name one type of traffic control mechanisms.

   Hint

   Think of signs that control traffic.

3. 3.

   What is the main purpose of traffic intersections?

   • To create traffic jams
   • To facilitate movement between roads
   • To confuse drivers

   Hint

   Think about why roads intersect.

4. 4.

   True or False: Grade-separated intersections are cheaper to construct than at-grade intersections.

   • True
   • False

   Hint

   Consider what goes into building at different levels.

5. 5.

   Design a traffic control plan for a new intersection in a busy urban area with high pedestrian traffic.

   Hint

   Consider safety and efficiency for both vehicles and pedestrians.

6. 6.

   Evaluate a poorly managed intersection and suggest improvements.

   Hint

   What improvements can reduce accidents and improve flow?