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The traffic feature was introduced for the U.S. in 2008. Besides live traffic information for freeways, highways, and large roads in major cities, it shows predictions based on past traffic conditions. UK users should also see a finer grain of street level coverage with this update.
The live traffic info is frequently updated, showing traffic events from the past five to 10 minutes. The feature is available on mobile devices as well as in the browser version of Google Maps.
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