Laser Speed Measurement Accuracy
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My highway patrol unit was issued its first laser speed measuring device back in the early 1990s. It was a popular tool to use because of both it's accuracy in targeting a specific vehicle and the measurement of that vehicle's speed. Case law regarding the use of the instrument developed over time in court the same way that it did with radar when that was introduced.

I have a question about the Ignition Interlock Program. My son lost his licence for pleading guilty to drinking too much wine at my new years dinner and running to the store for me. He went through a road block, and blew over. I would not have sent him if I thought he was impaired, but with the new laws, he was guilty.
I am occasionally asked why construction speed zone is in effect when there is no work being carried out at the time. The standard response from government is that hazardous situations may exist and the reduced speed is necessary to be safe. Examples given are parked equipment, uneven pavement at the edges of lanes and no shoulder.
Question: A dear senior friend who was called for a re-examination failed the road test. That friend has now been issued a learner driver's licence which requires them to be supervised by a fully licensed adult driver. What is the legal responsibility of said driver supervisor?
Emergency services in British Columbia tie a yellow ribbon on crashes. This happens when they are busy and leave the scene before a tow truck has arrived to remove the vehicle. It's a signal to you that you don't have to call 911 to report it.
This week's correspondence contained a request to explain what pedestrian signals mean. The gentleman who sent me the e-mail expressed the opinion that many people either did not know what pedestrian signals mean or choose to deliberately disobey them. Would I please explain so that they would know what to do.