| Boston | Interstate 93 North and South | Built in 1950 to carry 90,000 cars a day it overflows with 190,000 cars a day with 6-8 hours of stop and go traffic each day. |
| Chicago | Interstate 88 at the Eisenhower Expressway (Interstate 290). | When 34,000 cars from I-88 merge with 43,000 cars from I-290 the road goes to a single lane and a 20-minute trip can take more than an hour. |
| Dallas | Interstate 35 at Interstate 30 known as "Mix Master" | These highways struggle to handle the merging of 200,000 cars a day. |
| Houston | U.S. 59 at the 620 Loop. | With only one lane to exit off 59 to the 610 loops the 330,000 cars can stop-and-go for up to 5 or 6 hours each day. |
| Los Angeles | Interstates 5, 10, 60 and 101. | 566,000 cars travel through this intersection daily causing drivers to create a bottleneck that extends for miles as they change lanes to make their connection. |
| Minneapolis | Interstate 35W and Minnesota Trunk Highway 62 (southern portion). | 169,979 vehicles each day cope with delays that are estimated at 7.4 million hours per year. |
| New Orleans | Interstates 10 and 610 eastbound. | Every morning traffic backs up as cars heading to New Orleans are squeezed into two lanes before opening up. |
| New York City | Gowanis Expressway - Interstate 278. | The major route connecting Manhattan Brooklyn Queens and Long Island experiences delays of 6 or more hours a day between Brooklyn Battery Tunnel and the Belt Parkway. |
| Seattle | Interstate 5 and Interstate 90 interchange. | A daily traffic count of 260, 000 cars with an accident rate of 5.6 accidents per 1 million vehicles. |
| Washington DC area | At Interstates 495, 395 and 95 - Springfield, VA - known as the "Mixing Bowl". | Metro DC traffic 400,000 cars a day converge in this area resulting in 179 crashes in a two-year period. Construction expected to last 8 years is now underway. |
