The Traffic feature is a great way to know what you're up against before your commute. Click the Traffic button in the map tools next to the zoom buttons, then select the traffic option(s) you'd like to turn on.
Traffic Slow Downs: Give yourself a quick, color-coded glimpse at how fast traffic is moving (red=slow, yellow=moderate, green=normal).
Traffic Incidents: Keep yourself informed about any traffic information in your area.