America's Worst Highway Bottlenecks
| Rank | City | Freeway | Location | Vehicles Per Day | Annual Hours of Delay |
|---|
| 1. | Los Angeles | US-101 | US-101 (Ventura Fwy) at I-405 Interchange | 318,000 | 27,144 | | 2. | Houston | I-610 | I-610 at I-10 Interchange (West) | 295,000 | 25,181 | | 3. | Chicago | I-90 | I-90 I-90/94 at I-290 Interchange ("Circle Interchange") | 293,671 | 25,068 | | 4. | Phoenix | I-10 | I-10 I-10 at SR-51/SR-202 Interchange ("Mini-Stack") | 280,800 | 22,805 | | 5. | Los Angeles | I-405 | I-405 I-405 (San Diego Fwy) at I-10 Interchange | 296,000 | 22,792 | | 6. | Atlanta | I-75 | I-75 I-75 at I-85 Interchange | 259,128 | 21,045 | | 7. | Washington (DC-Md.-Va.) | I-495 | I-495 I-495 at I-270 Interchange | 243,425 | 19,429 | | 8. | Los Angeles | I-10 | I-10 I-10 (Santa Monica Fwy) at I-5 Interchange | 318,500 | 18,606 | | 9. | Los Angeles | I-405 | I-405 (San Diego Fwy) at I-605 Interchange | 318,000 | 18,606 | | 10. | Atlanta | I-285 | I-285 at I-85 Interchange ("Spaghetti Junction") | 266,000 | 17,072 |
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Note: Rankings are based on analysis of 2002 data. |
Source: American Highway Users Alliance, Unclogging Americas Arteries 1999–2004. Web: www.highways.org. |
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