About 4.2 billion hours per year are wasted during traffic congestion, according to the Texas Transportation Institute’s new Urban Mobility Report. That is the equivalent of almost one week of work for every commuter.

The report determined how many extra hours drivers spend in their car every year just because of heavy traffic.  Los Angeles is ranked number one in the most recent update, with 70 hours burned every year in congestion; Washington, D.C. ranked 2nd, with 62 hours wasted; and Atlanta was third, with 57 hours spent alternating between the gas and brake pedals.

On the other end, Indianapolis was one of five urban areas to rack up only 39 hours of horn honking, useless lane changing, beard trimming, nail polishing, newspaper reading, or anything else that drivers do while sitting in traffic.

If you are wondering how many hours you waste sitting in traffic every year, you can look for your city here, and see the how much traffic has grown around you over 25 years.  And don’t forget to tell us how you find ways to be productive during all that gridlock.