If you live in Los Angeles, you’d better own a car that has comfortable seats, a killer audio system and Big Gulp-sized cupholders, as you’re certain to spend a disproportionate part of your time sitting behind the wheel, as compared to other cities in North America.

That’s according to navigation system maker TomTom’s third annual Congestion Index, which determined that the average L.A. commuter spends 34 percent more time behind the wheel than when traffic is flowing freely (at whatever theoretical hour that may be) and 76 percent more time during a typical evening rush. By comparison, the average North American motorist spends 19 percent more time than necessary getting to a given destination during times of peak congestion.

In addition to the City of Angels, the rest of the top-five traffic-jammed North American metro areas are all situated in Western states and provinces, including cities otherwise known for their “mellower” lifestyles like Vancouver, San Francisco and Seattle (which probably saves them from winding up on the list of “most road rage incidents”). Oddly enough, while a few of North America’s largest metropolitan areas like Toronto, Montreal and Chicago made the top 10 list, what would seem to be the most-obvious suspects like New York, Boston and Washington, D.C. failed to make the cut.

Read more at Yahoo!