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Google Maps adds traffic data from your cell phone | Relevant Results – CNET News August 26, 2009

Posted by hruf in Internet & Communities.
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Say goodbye to your favorite shortcuts.

Google Maps is adding traffic data for side streets this week, in addition to the data it already offers up for major highways. Major “arterial” roads, such as state highways or prominent boulevards in cities, will now have their own color-coded traffic information in Google Maps, giving drivers the option of selecting an alternate route based on current traffic conditions.

So how is Google expanding its traffic reports to side streets? If you’re using Google Maps on your smartphone (with the notable exception of the iPhone, which doesn’t support the feature, according to Google) you’re automatically sending speed data back to Google wherever you go.

The trigger is the “My Location” button in Google Maps, which automatically signs you up for the traffic crowdsourcing program when that button is pressed. In addition, Palm Pre and MyTouch 3G users are automatically enrolled in the traffic crowdsourcing program.

You can opt out of the program, but at the expense of the My Location feature. Hit the “My Location” button again to figure out where you are in an unfamiliar city, and you’re automatically re-enrolled in the program.

Traffic data has been available on major highways for years through Google Maps, but that data is collected from road sensors and private car fleets and is also available to dozens of third-party traffic providers. The number of people using GPS-enabled smartphones with Google Maps installed has dramatically increased since 2007, and many of them may not know that by using the My Location feature, they’re also participating in a traffic-related survey.

via Google Maps adds traffic data from your cell phone | Relevant Results – CNET News.

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