USA Road Map - US Highways & Interstate Highways

USA Road Map showing the state routes, US highways, interstate highways, major roads, local connecting Road, secondary Road, important local road of the USA.

USA Road Map

USA Road Map, USA Highways Map About Map: Map showing major roads, local connecting Road, secondary Road, Important Local Road of the USA, United States.

PDF Map - USA Road & Highways Map

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  • US Highways & Interstate Highways

    There are at least four distinct systems of roadways in the United States and they are Interstate Highways, US Highways, State Highways, and County Highways. Route numbers or letters are typically used to categorize highways. These classifications are typically marked with a highway symbol along the route. Each system has a distinctive shield design that makes it easy to tell which system the route belongs to. The USA Road Map that is given below indicates US Highways, Interstate Highways along with State Highways and so on. The Interstate Highway System is a network of freeways that is funded and managed by the federal government but is maintained by the states. The Interstate Highway System consists of 70 main Interstate Highways. Millions of people depend on it every day for journeys, long-distance travel, and commercial movement, among other things. These Interstate Highways are the backbone to the transportation system of the US. Interstate highways of the US are all built to exact specifications, maximizing high-speed travel safety and productivity.

    Auxiliary routes are found on Interstate Highways and are typically assigned a three-digit route number. All Interstate Highways are part of the National Highway System, a network of highways considered important to the country's defense, economy, and mobility. There are Interstate Highways not just in the 48 states of the United States, but also in Hawaii, Alaska, and Puerto Rico.

    The American Association of State Highway and Transportation Officials coordinates and maintains the United States Numbered Highway System, which is an older system consisting primarily of surface-level trunk roads. The Interstate system has essentially replaced U.S. Highways for long-distance travel, with the exception of certain regions where the Interstate system is nonexistent or underdeveloped. As a result, U.S. Highways that were formerly essential long-distance routes, including U.S. Route 21 and U.S. Route 66, have been decommissioned and shortened.

    State highways of the US are also a feature of every state. State highways come in a variety of sizes, capacities, and qualities. Some state highways have such high levels of traffic that they are constructed to Interstate Highway standards. Others have a smaller capacity and are less often traveled.

    List of United States Interstate Highways

    NumberLength (mi)Length (km)FormedServed States
    I-51381.292,222.971956California, Oregon, Washington
    I-8348.25560.451964California, Arizona
    I-102460.343,959.531957California, Arizona, New Mexico, Texas, Louisiana, Mississippi, Alabama, Florida
    I-1425.140.392017Texas ; planned extension east and west
    I-151433.522,307.031957California, Nevada, Arizona, Utah, Idaho, Montana
    I-201539.382,477.391957Texas, Louisiana, Mississippi, Alabama, Georgia, South Carolina
    I-22202.22325.442012Mississippi, Alabama
    I-24316.36509.131962Illinois, Kentucky, Tennessee, Georgia
    I-251061.671,708.591957New Mexico, Colorado, Wyoming
    I-26304.64490.271960Tennessee, North Carolina, South Carolina
    I-29755.511,215.881958Missouri, Iowa, South Dakota, North Dakota
    I-30366.76590.241957Texas, Arkansas
    I-351568.382,524.061956Texas, Oklahoma, Kansas, Missouri, Iowa, Minnesota
    I-39306.14492.681984Illinois, Wisconsin
    I-402556.614,114.461964California, Arizona, New Mexico, Texas, Oklahoma, Arkansas, Tennessee, North Carolina
    I-41175281.642015Illinois, Wisconsin
    I-42142228.53proposedFuture Interstate, will serve North Carolina
    I-44636.691,024.651958Texas, Oklahoma, Missouri
    I-49528.02849.771984Louisiana, Arkansas, Missouri
    I-55964.251,551.811960Louisiana, Mississippi, Tennessee, Arkansas, Missouri, Illinois
    I-57386.12621.41965Missouri, Illinois
    I-59445.23716.531960Louisiana, Mississippi, Alabama, Georgia
    I-64963.521,550.641961Missouri, Illinois, Indiana, Kentucky, West Virginia, Virginia
    I-65887.31,427.971958Alabama, Tennessee, Kentucky, Indiana
    I-6676.28122.761961Serves DC and one state: Virginia
    I-661991Proposed, never built
    I-68113.15182.11991West Virginia, Maryland
    I-702172.163,495.751956Utah, Colorado, Kansas, Missouri, Illinois, Indiana, Ohio, West Virginia, Pennsylvania, Maryland
    I-71345.57556.141959Kentucky, Ohio
    I-72179.29288.541970Missouri, Illinois
    I-7399.43160.021997North Carolina ; planned extension north and south
    I-74491.74791.381974Iowa, Illinois, Indiana, Ohio, North Carolina
    I-751786.472,875.041958Florida, Georgia, Tennessee, Kentucky, Ohio, Michigan
    I-76186.48300.111975Colorado, Nebraska
    I-76435.66701.131964Ohio, Pennsylvania, New Jersey
    I-77610.1981.861958South Carolina, North Carolina, Virginia, West Virginia, Ohio
    I-78146.28235.411957Pennsylvania, New Jersey, New York
    I-79343.46552.751967West Virginia, Pennsylvania
    I-802899.594,666.441956California, Nevada, Utah, Wyoming, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New Jersey
    I-81855.021,376.021961Tennessee, Virginia, West Virginia, Maryland, Pennsylvania, New York
    I-82143.58231.071957Washington, Oregon
    I-8385.03136.841959Maryland, Pennsylvania
    I-84769.621,238.581980Oregon, Idaho, Utah
    I-84232.71374.511963Pennsylvania, New York, Connecticut, Massachusetts
    I-85666.051,071.901958Alabama, Georgia, South Carolina, North Carolina, Virginia
    I-86223.39359.511999Pennsylvania, New York
    I-8712.920.762017North Carolina , planned Northern extension.
    I-87333.49536.71957New York
    I-88117.75189.51968New York
    I-89191.12307.581960New Hampshire, Vermont
    I-903020.444,860.931956Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, Massachusetts
    I-91290.37467.311958Connecticut, Massachusetts, Vermont
    I-93189.95305.691957Massachusetts, New Hampshire, Vermont
    I-941585.22,551.131956Montana, North Dakota, Minnesota, Wisconsin, Illinois, Indiana, Michigan
    I-951919.313,088.831957Serves DC and 15 states: Florida, Georgia, South Carolina, North Carolina, Virginia, Maryland, Delaware, Pennsylvania, New Jersey, New York, Connecticut, Rhode Island, Massachusetts, New Hampshire, Maine
    I-9998.34158.261998Pennsylvania, New York

    List of United States Numbered Highways

    US 1- 71US 72- 165US 166 - 302US 309 - 830
    US 1US 72US 166US 309
    US 2US 73US 167US 310
    US 2US 74US 168US 311
    US 3US 75US 169US 312
    US 4US 76US 170US 319
    US 5US 77US 171US 320
    US 6US 78US 175US 321
    US 7US 79US 176US 322
    US 8US 80US 177US 330
    US 9US 81US 178US 331
    US 10US 82US 180US 331
    US 11US 83US 180US 340
    US 12US 84US 181US 341
    US 13US 85US 183US 350
    US 14US 87US 185US 360
    US 15US 89US 187US 366
    US 16US 90US 189US 366
    US 17US 91US 189US 370
    US 17-1US 92US 190US 371
    US 18US 93US 191US 371
    US 19US 94US 192US 377
    US 20US 95US 195US 378
    US 21US 96US 197US 380
    US 22US 96US 199US 383
    US 23US 97US 201US 385
    US 24US 98US 202US 385
    US 25US 99US 206US 395
    US 26US 101US 209US 399
    US 27US 102US 210US 400
    US 28US 104US 211US 401
    US 29US 106US 212US 401
    US 30US 109US 213US 401
    US 31US 110US 216US 410
    US 32US 111US 217US 411
    US 33US 112US 218US 411
    US 34US 113US 219US 411
    US 35US 116US 220US 412
    US 36US 117US 221US 420
    US 37US 117US 222US 421
    US 38US 118US 223US 422
    US 40US 119US 224US 425
    US 41US 120US 227US 430
    US 42US 121US 230US 431
    US 43US 121US 231US 441
    US 44US 122US 240US 450
    US 45US 122US 241US 460
    US 46US 123US 241US 466
    US 48US 123US 250US 466
    US 48US 124US 250US 470
    US 48US 126US 258US 485
    US 49US 127US 259US 491
    US 50US 129US 260US 501
    US 51US 130US 264US 511
    US 52US 131US 266US 521
    US 53US 136US 270US 522
    US 54US 138US 270US 530
    US 55US 140US 271US 541
    US 56US 141US 275US 550
    US 57US 143US 276US 566
    US 58US 150US 277US 601
    US 59US 151US 278US 611
    US 60US 152US 280US 622
    US 61US 154US 281US 630
    US 62US 156US 283US 630
    US 63US 158US 285US 641
    US 64US 159US 285US 650
    US 65US 160US 287US 666
    US 66US 161US 290US 701
    US 67US 163US 295US 711
    US 68US 163US 299US 730
    US 69US 164US 301US 789
    US 70US 164US 301US 830
    US 71US 165US 302