XM NavTraffic™
With a subscription to XM NavTraffic, you'll receive updates on accidents, construction, and more on your compatible GPS device. Detailed traffic information is gathered from the best sources, including police and road sensors, and overlaid on your GPS road maps so you can route around delays with ease. You can also determine the average traffic speed and estimate travel time along your route. XM NavTraffic is currently available in over 100 markets across the U.S. and Canada.