State | Urban Area | Route | Lanes |
---|---|---|---|
Georgia | Atlanta | I-75 | 15 |
Maryland | Baltimore | US-50 | 14 |
Kentucky | Louisville (KY-IN) | I-65 | 14 |
Georgia | Atlanta | I-85 | 14 |
New Jersey | New York-Newark (NY-NJ-CT) | I-95 | 14 |
California | Los Angeles-Long Beach-Santa Ana | I-405 | 14 |
Maryland | Baltimore | I-895 | 14 |
Washington | Seattle | I-5 | 13 |
Arizona | Phoenix | I-10 | 13 |
Kentucky | Louisville (KY-IN) | I-264 | 13 |
Maryland | Washington (DC-VA-MD) | I-270 | 13 |
Georgia | Atlanta | I-285 | 13 |
New Jersey | New York-Newark (NY-NJ-CT) | I-287 | 13 |
Delaware | Dover | 1 | 12 |
California | Los Angeles-Long Beach-Santa Ana | I-5 | 12 |
California | Mission Viejo | I-5 | 12 |
Texas | Houston | 6 | 12 |
California | San Diego | I-8 | 12 |
Texas | Houston | I-10 | 12 |
California | San Diego | I-15 | 12 |
Utah | Salt Lake City | I-15 | 12 |
Illinois | Chicago (IL-IN) | 53 | 12 |
Texas | Houston | US-59 | 12 |
Arizona | Phoenix | US-60 | 12 |
Texas | Amarillo | US-60 | 12 |
Kentucky | Louisville (KY-IN) | I-65 | 12 |
New Jersey | New York-Newark (NY-NJ-CT) | I-78 | 12 |
California | San Francisco-Oakland | I-80 | 12 |
Connecticut | Hartford-Middletown | I-84 | 12 |
Illinois | Chicago (IL-IN) | I-90 | 12 |
California | Los Angeles-Long Beach-Santa Ana | 91 | 12 |
California | Riverside-San Bernardino | 91 | 12 |
Florida | Miami | I-95 | 12 |
Michigan | Detroit | I-96 | 12 |
California | Los Angeles-Long Beach-Santa Ana | I-110 | 12 |
California | San Jose | I-280 | 12 |
District of Columbia | Washington (DC-VA-MD) | I-395 | 12 |
Nevada | Las Vegas | 589 | 12 |
Texas | Houston | I-610 | 12 |
California | Concord | I-680 | 12 |
California | San Diego | I-805 | 12 |
Florida | Miami | 826 | 12 |
Hawaii | Honolulu | I-H1 | 12 |
Office of Highway Policy Information
Data Source: 2008 Highway performance
Monitoring System (HPMS)
July 27, 2010
Note: The number of lanes represents the total number of lanes in both directions for multi-directional facilities e.g. northbound and southbound lanes. Does not include toll plazas.