U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
| States | Locations | *AADT |
|---|---|---|
| California | I-5, Los Angeles-Long Beach-Santa Ana, CA | 504,000 |
| Georgia | I-75, Atlanta, GA | 419,516 |
| California | I-5, Mission Viejo, CA | 415,000 |
| California | I-405, Los Angeles-Long Beach-Santa Ana, CA | 383,500 |
| Texas | I-10, Houston, TX | 313,693 |
| Texas | I-10, Houston, TX | 312,068 |
| Texas | I-10, Houston, TX | 273,454 |
| California | I-210, Los Angeles-Long Beach-Santa Ana, CA | 358,000 |
| California | I-10, Los Angeles-Long Beach-Santa Ana, CA | 355,000 |
| California | CA-60, Los Angeles-Long Beach-Santa Ana, CA | 350,000 |
| Florida | I-95, Miami, FL | 339,500 |
| Nevada | I-15, Las Vegas, NV | 332,000 |
| Illinois | I-90, Chicago, IL--IN | 321,700 |
| Texas | I-10, Houston, TX | 320,892 |
| California | CA-91, Los Angeles-Long Beach-Santa Ana, CA | 319,000 |
| Arizona | I-10, Phoenix-Mesa, AZ | 318,542 |
| California | US-101, Los Angeles-Long Beach-Santa Ana, CA | 318,000 |
| Texas | I-69, Houston, TX | 316,892 |
| California | I-110, Los Angeles-Long Beach-Santa Ana, CA | 315,000 |
| Utah | I-15, Salt Lake City, UT | 314,330 |
| California | I-5, San Diego, CA | 312,000 |
| Florida | FL-826, Miami, FL | 311,500 |
| California | CA-57, Los Angeles-Long Beach-Santa Ana, CA | 308,800 |
| Georgia | I-85, Atlanta, GA | 306,304 |
| California | I-605, Los Angeles-Long Beach-Santa Ana, CA | 303,000 |
*2019 Traffic Data
Office of Highway Policy Information
Data Source: 2019 Highway performance
Monitoring System (HPMS)
February 2021
