this post was submitted on 07 Sep 2023
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Can't ticket what you can't catch (sh.itjust.works)
submitted 1 year ago by Early_To_Risa@sh.itjust.works to c/memes@lemmy.ml
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[–] Gork@lemm.ee 9 points 1 year ago* (last edited 1 year ago)

So you'll occasionally see two white lines perpendicular to the road at a set internal. A helicopter, drone, or plane can time when a car passes both of these lines and can calculate the average speed of the car.

This info is then relayed to a police car on the ground who then pulls over the driver.