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Down load map updates on internet 3 or 4 times a year. Highway traffic updates just show up as you're going down the road. Kind of updated automatically based on the route you are traveling at the time. Must be based on some traffic reports.
Sorry, there was a problem. Please try again later.The Garmin Drive™ 51 LM doesn’t include the traffic feature. If you need the traffic service you should consider the Garmin Drive™ 51 LMT-S. Thanks, James
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