massachusetts speeding ticket lidar estimated

Does an officer need to make a visual estimate before using either.
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Is it worth appealing a speeding ticket? | Waltham | Yelp.

Massachusetts I received a ticket on a two lane parkway today the officer said I was going 55 in.. He checked lidar and estimated. My problem.

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Massachusetts Speeding Ticket Question? - Yahoo! Answers.
I got a speeding ticket on the high way, The cop wrote 055-60 LL what. He also checked off POSTED, LIDAR, CLOCKED, & ESTIMATED.
LIDAR/LIDAR Detector/Plate Cover | The Forum for Massachusetts.