Can phones detect mobile speed cameras?

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18 Jul 2015
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439
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London
I was driving at about 45 mph on a 50 mph dual carriageway. I was using the Google maps for navigation, which was next to the dashboard. A warning was announced on the app which said "mobile speed camera ahead." After driving a quarter of a mile there was a police car by the side with a policeman pointing a speed gun at on-coming traffic. How did the app know I was approaching a speed gun?
 
I don't really use GPS when driving.
As regards speed cameras; I always assume there's a speed camera on the next bend, so I never speed.
 
Another shout out for Waze, it is amazing. It alerts you to speed cameras, mobile speed cameras, police, pot holes, hazards ahead. It will even tell you where in the road ahead a broken down vehicle is (main lane vs hard shoulder) all based on user submitted reports of course, but I've found it to be very accurate.
 
I think it is unfortunate that these devices alert speed cameras ahead. The particular stretch of road on the A3 I was driving on is notorious for drivers doing in excess of 50 mph (breaking the law.)
I appreciate the driver will slow down when nearing the camera, but what about other occasions where no cameras are installed?
 
The amount of useful info you can get from apps like Waze, you may as well use it on most journeys longer than a few minutes, especially if you can hook up via CarPlay or AndroidAuto
 
Waze does have one major pitfall though, user-submitted reports aren't verified. The number of times I've been on the motorway and it flags up with police ahead, to drive past and actually see it's a highway patrol vehicle.
 
Absolutely love Waze. I have it running all the time on an Android headunit & don't think I've ever come across a mobile camera site that wasn't already flagged.

It was always the mobile camera sites on dual carriageways/motorways that caught me out & I Haven't had any speeding points in 5 years+ now.
 
I think it is unfortunate that these devices alert speed cameras ahead. The particular stretch of road on the A3 I was driving on is notorious for drivers doing in excess of 50 mph (breaking the law.)
I appreciate the driver will slow down when nearing the camera, but what about other occasions where no cameras are installed?

Lol. Breaking the law. That has to be the main concern. Because 56 in a 50 is breaking the law. Sickos the lot of them. Hang em.

Yet one of the safest roads in the world has no cameras nor speed limit.

Mobile speed traps are nothing but cash cows. Let the tech do the job of keeping traffic at a safe average for the area and spend the government's money doing something useful for the local environment. Speed bumps around schools, crossings for pedestrians, bike lanes for bikes etc.
 
I used Waze religiously for a couple of years on my old phone and unfortunately it ended up burning in the top header / direction bar onto the screen. Since new phone I've switched back to Google and to be honest; they're much of a muchness now. Waze was a little nicer to use, voice commands for hands free etc.
 
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