| Interstate
|
Shield
|
Auxiliary
|
States
|
| I-4 |
 |
None |
Florida
|
| I-5 |
 |
    |
California, Oregon, Washington
|
| I-10 |
 |
      |
Alabama, Arizona, California, Florida, Louisiana, Mississippi, New Mexico, Texas
|
| I-11 |
 |
None |
Nevada
|
| I-12 |
 |
None |
Louisiana
|
| I-15 |
 |
  |
Arizona, California, Idaho, Montana, Utah
|
| I-16 |
 |
None |
Georgia
|
| I-17 |
 |
None |
Arizona
|
| I-19 |
 |
None |
Arizona
|
| I-20 |
 |
  |
Alabama, Georgia, Louisiana, Mississippi, South Carolina, Texas
|
| I-22 |
 |
None |
Alabama, Mississippi
|
| I-24 |
 |
 |
Georgia, Illinois, Kentucky, Tennessee
|
| I-25 |
 |
None |
Colorado, New Mexico, Wyoming
|
| I-26 |
 |
 |
North Carolina, South Carolina, Tennessee
|
| I-29 |
 |
None |
North Dakota
|
| I-30 |
 |
   |
Arkansas, Texas
|
| I-35 |
 |
 |
Minnesota, Oklahoma, Texas
|
| I-35E |
 |
None |
Minnesota, Texas
|
| I-35W |
 |
None |
Minnesota, Texas
|
| I-39 |
 |
None |
Wisconsin
|
| I-40 |
 |
     |
Arkansas, North Carolina, Oklahoma, Tennessee
|
| I-41 |
 |
None |
Illinois, Wisconsin
|
| I-44 |
 |
None |
Missouri, Oklahoma
|
| I-49 |
 |
None |
Arkansas, Louisiana, Missouri
|
| I-55 |
 |
 |
Arkansas, Illinois, Mississippi, Missouri, Tennessee
|
| I-57 |
 |
None |
Illinois
|
| I-59 |
 |
  |
Alabama, Georgia, Louisiana, Mississippi
|
| I-64 |
 |
 |
Illinois, Indiana, Kentucky, Missouri, Virginia, West Virginia
|
| I-65 |
 |
   |
Alabama, Indiana, Kentucky, Tennessee
|
| I-66 |
 |
None |
DC, Virginia
|
| I-68 |
 |
None |
Maryland, West Virginia
|
| I-69 |
 |
None |
Indiana, Kentucky
|
| I-70 |
 |
None |
Colorado, Illinois, Indiana, Maryland, Ohio, Utah
|
| I-71 |
 |
 |
Kentucky, Ohio
|
| I-72 |
 |
None |
Illinois
|
| I-73 |
 |
None |
North Carolina
|
| I-74 |
 |
None |
Illinois, Indiana, Iowa, North Carolina, Ohio
|
| I-75 |
 |
    |
Florida, Georgia, Kentucky, Michigan, Ohio, Tennessee
|
| I-76 |
 |
 |
Colorado, New Jersey, Pennsylvania
|
| I-77 |
 |
None |
North Carolina, South Carolina, Virginia, West Virginia
|
| I-78 |
 |
 |
None
|
| I-79 |
 |
None |
West Virginia
|
| I-80 |
 |
   |
California, Illinois, Indiana, Iowa, Nebraska, Nevada, Ohio, Pennsylvania, Utah, Wyoming
|
| I-81 |
 |
 |
Tennessee, Virginia
|
| I-83 |
 |
None |
Maryland, Pennsylvania
|
| I-84 |
 |
None |
Oregon, Utah
|
| I-85 |
 |
     |
Alabama, Georgia, North Carolina, South Carolina, Virginia
|
| I-86 |
 |
None |
New York, Pennsylvania
|
| I-89 |
 |
None |
New Hampshire, Vermont
|
| I-90 |
 |
 |
Illinois, Indiana, Massachusetts, Montana, New York, Ohio, Pennsylvania, South Dakota, Washington, Wyoming
|
| I-91 |
 |
None |
Connecticut
|
| I-93 |
 |
None |
Massachusetts, New Hampshire
|
| I-94 |
 |
  |
Illinois, Indiana, Minnesota, North Dakota, Wisconsin
|
| I-95 |
 |
       |
Delaware, Florida, Georgia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Rhode Island South Carolina, Virginia,
|
| I-99 |
 |
None |
Pennsylvania
|
| I-PR3 |
 |
None |
Puerto Rico
|
