30.6.1. Time headway

Try these first

1. 1.

   What is the definition of time headway?

   Hint

   Think about how time is measured between vehicles.

2. 2.

   In what unit is time headway typically measured?

   Hint

   Consider how we usually measure time.

3. 3.

   What is time headway?

   Hint

   Reflect on the timing between vehicles at a traffic signal.

4. 4.

   Is shorter time headway beneficial for traffic flow?

   • True
   • False

   Hint

   Consider the implications of vehicle proximity.

5. 5.

   Given a traffic flow of 1500 vehicles per hour, calculate the average time headway and discuss its implications for a busy city road.

   Hint

   Use the formula for average time headway based on hourly flow.

6. 6.

   Analyze a scenario where traffic simulations show an average time headway of 1 second. What are the potential traffic safety concerns?

   Hint

   Consider how reaction times relate to vehicle spacing.