Thread: DJRTP Seeks Clarification/Education On McLaughlin Speeding Penalty
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Old 9 Dec 2017, 04:50 (Ref:3785964)   #67
Backagain
Racer
 
Join Date: Nov 2006
Posts: 406
Backagain has a lot of promise if they can keep it on the circuit!
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Originally Posted by Langers View Post
How does that work when road cars don't carry transponders?
Capacitive sensors, same as they have at traffic lights to sense cars stopped for example in a turning lane to control turning arrows Etc.
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