You are a TV reporter who rides in a helicopter to advise commuters about their travel time from their bedroom community to a city 20. miles away. You notice from your helicopter there are 160 cars per mile. Assume that all the drivers are observing the rule-of-thumb “follow rule” (see Figure 13.4). What should you tell your audience that the travel time between the cities will be?

Figure 13.4

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Dead Stop Low Speed High Speed