30.6. Derived characteristics

Try these first

1. 1.

   What is Time Headway?

   Hint

   Think about the duration taken by vehicles while moving.

2. 2.

   Define Distance Headway.

   Hint

   Consider how far apart vehicles should ideally be.

3. 3.

   What does Time Headway measure?

   • Speed of vehicle
   • Time difference between vehicles
   • Distance between vehicles

   Hint

   Consider what defines the timing of vehicles.

4. 4.

   True or False: Travel time increases with speed.

   • True
   • False

   Hint

   Think about the relationship between speed and duration.

5. 5.

   If traffic flow on a highway averages 600 vehicles per hour, what is the average time headway?

   Hint

   Use the flow formula to relate time to vehicles.

6. 6.

   Discuss the impact of a sudden increase in traffic volume on distance headway in a congested scenario.

   Hint

   Consider the direct relationship between vehicle spacing and the number of vehicles.