How do those cables they string across the road measure your vehicle speed?

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You know those cables they lay across the road to measure vehicle speed? How do those work? Is it accurate? What is the data used for?

In: Physics

4 Answers

Anonymous 0 Comments

They don’t track vehicle speed, the count how many cars pass over them.

The data is used to figure out how much traffic is going over a particular road to identify traffic patterns, determine light timings, which roads to prioritize repairs, etc

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