4.6.1. Road surface

Try these first

1. 1.

   What is pavement roughness?

   Hint

   Think about how it feels to drive on a rough vs. smooth road.

2. 2.

   Why is lighting important for roads?

   Hint

   Consider driving at night and not seeing obstacles without lights.

3. 3.

   What is the primary reason for using smoother pavement on highways?

   • To reduce costs
   • To enhance driver comfort and safety
   • To increase tire wear

   Hint

   Think about how it feels to drive on a bumpy road vs. a smooth one.

4. 4.

   Is nighttime visibility important for road safety?

   • True
   • False

   Hint

   Consider driving at night without lights.

5. 5.

   Design a road segment for a high-traffic urban area. Detail the pavement type, color, and lighting considerations needed to ensure safety and comfort.

   Hint

   Consider high load and visibility needs specific to urban settings.

6. 6.

   Discuss the trade-offs between using lighter versus darker pavement colors concerning visibility and temperature effects.

   Hint

   Think about how colors interact with sunlight and road user perceptions.