Traffic Direction & Control

Question 1

What is the whistle command to stop traffic?

Answer 1

1 long blast

Question 2

What is the whistle command to signal cars to go?

Answer 2

2 short blasts

Question 3

How do you use a whistle to gain the attention of traffic?

Answer 3

Several short blasts

Question 4

What are the goals of traffic direction?

Answer 4

1. minimize public delay while maintaining safety
2. reduce traffic congestion
3. do not gridlock traffic