With one touch, zoom in on the traffic in your area.
With another, you can set your commute. Save it - and your regular commute is only clicks away with travel time, distance & trip warnings.
Need to check traffic in another location - set a "Quick Location" and you can zoom to it and back to your current location.
TrafficHound is also a lightweight front-end to Google Maps or Navigator for more detailed trip info and voice navigation.