Drivers using Google Maps are getting a last-minute warning as they approach some photo radar camera locations.
The feature, which is currently being rolled out by Google, allows users to see speed limits, speed cameras and mobile speed cameras on the map before they leave.
It also gives a verbal warning — an automated voice saying "speed camera ahead" — when drivers are near a fixed camera location.
Police in Alberta say the feature is helpful to them.
"The biggest thing we love ... is we place those (cameras) by collision statistics," said Sgt. Joerg Gottschling of the Calgary Police Service traffic section. "If we do a new site, if we are going to install a new camera, the next site is always selected by the next highest crash site.
"Our intersection locations are all determined where we are trying to eliminate collisions."
Gottschling said they've had up to a 50 per cent reduction in collisions in some areas where those cameras are stationed.
With Google Maps, he noted, all drivers approaching the fixed camera intersection get the warning.
"That camera is only facing one way," said Gottschling. "Let's say it's only facing northbound, but you can approach southbound or eastbound ... you are still going to get Google telling you caution.
"So you're going to go slowly and cautiously through there which, lo and behold, is actually what we want."
Sgt. Kerry Bates with the Edmonton Police traffic division agrees.
"If it slows people down and they know it's there, that's good," he said. "It's fine. It does the trick."
Bates said there are about 70 fixed camera locations in the city and they will be adding others in the near future.
Google said in an email that there will also be an ability for android users to report mobile speed cameras and stationary cameras.
The technology company said there's no plan to merge Google Maps with Waze, a community-based traffic and navigation app that allows drivers to share real-time traffic and road information.
The Alberta government is making changes to prevent photo radar from being used as a "cash cow" by municipalities.
As part of the changes, which are expected by June, radar will be banned at spots where the speed limit changes on highways. It also won't be allowed on high-speed, multi-lane highways unless there is documented proof of safety concerns.
Gottschling said there will still be photo radar on busy roads such as Deerfoot Trail and Stoney Trail in Calgary.
"We will be on those roadways because of the secondary justification of speed, collision and difficulty in traditional enforcement," he said. "There's no better way to enforce Deerfoot than with photos.
"We also have to take into account where can we safely position ourselves."
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