XM NavTraffic powered by NAVTEQ Traffic allows Pioneer Navigation Systems to serve as a powerful tool that helps the driver understand traffic conditions and routes the driver to their destination avoiding traffic congestion. The traffic information is provided through a satellite broadcast as XM NavTraffic, with data which is aggregated by NAVTEQ Traffic from multiple sources - including leading commercial traffic data providers, government departments of transportation, police and emergency services, road sensors, cameras and airborne reports.Requires XM radio subscription and XM NavTraffic service subscriptions sold separately. Traffic on Route Alert and Alternative RouteIf there is a traffic jam or slowdown on the route to your destination, the Navigation System can suggest an alternate route found by the unit. This powerful feature makes navigation dynamic and can save you valuable time nearly every day. Traffic Flow at a GlanceWhere information is available, traffic flow** is overlaid as a blinking line on the navigation map to let the driver know how fast traffic is flowing. Color coding is used for easy visual identification - red for slow or standstill, yellow for stop-and-go or medium traffic, and green for traffic flowing freely. A circle icon on the line indicates the average speed of the area.(Traffic flow- information covers only specific areas of cities listed below. Traffic Incident Data with IconsTraffic incidents, such as accidents or lane closures are represented as intuitive icons on the navigation map. In addition, affected road sections are indicated (similar to the traffic flow information explained above) to display the severity and length of the incident. Detailed information about each traffic incident is available by selecting the specific incident icon, or by viewing the traffic incidents list from the Info Menu. Two types of incidents are provided:(Scheduled- traffic incidents including road constructions, road closures - for sporting |