Battling the Traffic Bottleneck

As summer continues, more folks are taking their vacations on the road. Sibling blog gadling posted on the ten worst locations for gridlock and traffic jams in the U.S. - valuable information for any vacationer. "The Worst Physical Bottleneck in the United States" measures bottlenecks by time delayed in such conditions.
The ten worst are:

1. Los Angeles    101 at the I-405
2. Houston            I-610 at the 1-10
3. Chicago            I-90/94 at the I-290
4. Los Angeles    I-405 at the I-10
5. Atlanta               I-75 at the I-85
6. Washington     I-495 at the I-270
7. Los Angeles    I-10 at the I-5
8. Los Angeles    I-405 at the I-605
9. Atlanta               I-285 at the 85

What have we learned? Avoid L.A. at all costs.

[Source: Federal Highway Administration via Adjab]