This navigation map update provides enhanced routing accuracy and each update features new and modified roads, junctions, exits, points of interest, and much more. On average, 40,000 turn restrictions, 30,000 one-way streets, and 14,000 road signs are updated every year—and that's in the United States alone. Each road segment includes up to 260 unique data attributes. Stay on course and on time. Update your navigation system map today