Get customised routes for your truck, bus or van's dimensions, weight, cargo and max speed for safer, efficient and peaceful journeys. Customised routing takes the guesswork out of driving, giving you a realistic arrival time. Get the latest maps and software for your TomTom GO PROFESSIONAL via built-in Wi-Fi. No computer needed. Your truck GPS navigation will notify you when new updates are available simply connect to your preferred Wi-Fi network and choose what to install from the menu. Avoid sudden braking with alerts for imminent traffic ahead. It will help you to drive safer knowing blackspots, areas where accidents are more common. See alerts on your nav that show how far the stopped traffic or accident blackspot points are.