RouteMapsStateStartsEndsNotes
2 Texas US 83 in Peñitas, TexasI-69E/US 77/US 83 in Harlingen, Texas
4 Florida I-275 in Tampa, FloridaI-95/SR 400 in Daytona Beach, Florida
5 California, Oregon, Washington Fed. 1 at Mexican border in San Ysidro, CaliforniaBC 99 at Canadian border in Blaine, Washington
8 California, Arizona Sunset Cliffs Boulevard/Nimitz Boulevard in San Diego, CaliforniaI-10 in Casa Grande, Arizona
10 California, Arizona, New Mexico, Texas, Louisiana, Mississippi, Alabama, Florida SR 1 in Santa Monica, CaliforniaI-95/US 17/SR 228 in Jacksonville, Florida
11 Nevada US 93 at Arizona state line near Boulder City, NevadaI-215/I-515/US 93/US 95/SR 564 in Henderson, Nevada Planned extension north and south
12 Louisiana I-10 in Baton Rouge, LouisianaI-10/I-59 in Slidell, Louisiana
14 Texas US 190/SH 9 in Copperas Cove, TexasI-35 in Belton, Texas Planned extension east and west
15 California, Nevada, Arizona, Utah, Idaho, Montana I-8/SR 15 in San Diego, CaliforniaHwy. 4 at Canadian border in Sweetgrass, Montana
16 Georgia I-75 in Macon, GeorgiaSR 404 and Montgomery Street/Martin Luther King Jr. Boulevard in Savannah, Georgia
17 Arizona I-10 in Phoenix, ArizonaI-40/SR 89A in Flagstaff, Arizona
19 Arizona Fed. 15 at Mexican border in Nogales, ArizonaI-10 in Tucson, Arizona
20 Texas, Louisiana, Mississippi, Alabama, Georgia, South Carolina I-10 at Scroggins Draw, TexasI-95 in Florence, South Carolina
22 Mississippi, Alabama I-269/US 78 near Byhalia, MississippiI-65/US 31 in Birmingham, Alabama
24 Illinois, Kentucky, Tennessee, Georgia I-57 in Pulley's Mill, IllinoisI-75 in Chattanooga, Tennessee
25 New Mexico, Colorado, Wyoming I-10/US 85/US 180 in Las Cruces, New MexicoI-90/US 87 in Buffalo, Wyoming
26 Tennessee, North Carolina, South Carolina US 11W/US 23 in Kingsport, TennesseeUS 17 in Charleston, South Carolina
27 Texas US 87/Loop 289 in Lubbock, TexasI-40/US 87/US 287 in Amarillo, Texas
29 Missouri, Iowa, South Dakota, North Dakota I-35/I-70/US 24/US 40/US 71 in Kansas City, MissouriUS 81 and PTH 75 at Canadian border in Pembina, North Dakota
30 Texas, Arkansas I-20 in Fort Worth, TexasI-40/US 65/US 67/US 167 in North Little Rock, Arkansas
35 Texas, Oklahoma, Kansas, Missouri, Iowa, Minnesota US 83/SH 359/BS I-35 and MX-85 at Mexican border in Laredo, TexasMN 61/LSCT/26th Avenue in Duluth, Minnesota
37 Texas US 181 in Corpus Christi, TexasI-35/US 281 in San Antonio, Texas
39 Illinois, Wisconsin I-55 in Normal, IllinoisWIS 29/US 51 in Wausau, Wisconsin
40 California, Arizona, New Mexico, Texas, Oklahoma, Arkansas, Tennessee, North Carolina I-15 in Barstow, CaliforniaUS 117/NC 132 in Wilmington, North Carolina
41 Illinois, Wisconsin I-94/US 41 in Russell, IllinoisI-43/US 41/US 141 in Howard, Wisconsin
43 Wisconsin I-39/I-90 in Beloit, WisconsinI-41/US 41/US 141 in Howard, Wisconsin
44 Texas, Oklahoma, Missouri US 82/US 277/US 281/US 287 in Wichita Falls, TexasI-70 in St. Louis, Missouri
45 Texas SH 87 in Galveston, TexasI-30/US 67/US 75 in Dallas, Texas
49 Louisiana, Arkansas, Missouri I-10 in Lafayette, LouisianaI-435/I-470/US 50/US 71 in Kansas City, Missouri
55 Louisiana, Mississippi, Tennessee, Arkansas, Missouri, Illinois I-10 in LaPlace, LouisianaUS 41 in Chicago, Illinois
57 Missouri, Illinois I-55 in Miner, MissouriI-94 in Chicago, Illinois
59 Louisiana, Mississippi, Alabama, Georgia I-10/I-12 in Slidell, LouisianaI-24 in Wildwood, Georgia
64 Missouri, Illinois, Indiana, Kentucky, West Virginia, Virginia I-70/US 61 in Wentzville, MissouriI-264/I-664 in Chesapeake, Virginia
65 Alabama, Tennessee, Kentucky, Indiana I-10 in Mobile, AlabamaUS 12/US 20 in Gary, Indiana
66 Columbia, Virginia I-81 in Front Royal, VirginiaUS 29 in Washington, D.C.
68 West Virginia, Maryland I-79 in Morgantown, West VirginiaI-70 in Hancock, Maryland
69 Texas, Mississippi, Tennessee, Indiana I-69E/US 77 & I-69W/US 59 in Victoria, Texas (future)Hwy 402 at Canadian border in Port Huron, Michigan
70 Utah, Colorado, Kansas, Missouri, Illinois, Indiana, Ohio, West Virginia, Pennsylvania, Maryland I-15 in Cove Fort, UtahPark and ride in Baltimore, Maryland
71 Kentucky, Ohio I-64 in Louisville, KentuckyI-90 in Cleveland, Ohio
72 Missouri, Illinois US 61 in Hannibal, MissouriChurch Street and University Avenue in Champaign, Illinois
73 North Carolina US 220 near Stokesdale, North CarolinaI‑74 and US 220 in Randleman, North Carolina Planned extension north and south
74 Iowa, Illinois, Indiana, Ohio, North Carolina I-80 in Bettendorf, IowaUS 74/NC 41 near Lumberton, North Carolina
75 Florida, Georgia, Tennessee, Kentucky, Ohio, Michigan SR 826/SR 916/SR 924 in Miami Lakes, FloridaCanadian border at Sault Ste. Marie, Michigan
76a Colorado, Nebraska I-70 at Denver, ColoradoI-80 at Big Springs, Nebraska
76b Ohio, Pennsylvania, New Jersey I-71 in Westfield Center, OhioI-295 at Bellmawr, New Jersey
77 South Carolina, North Carolina, Virginia, West Virginia, Ohio I-26 in Columbia, South CarolinaI-90 in Cleveland, Ohio
78 Pennsylvania, New Jersey, New York I-81 at Jonestown, PennsylvaniaCanal Street in New York City
79 West Virginia, Pennsylvania I-77 in Charleston, West VirginiaPA 5 in Erie, Pennsylvania
80 California, Nevada, Utah, Wyoming, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New Jersey US 101 in San Francisco, CaliforniaI-95 in Teaneck, New Jersey
81 Tennessee, Virginia, West Virginia, Maryland, Pennsylvania, New York I-40 in Dandridge, TennesseeCanadian border at Wellesley Island, New York
82 Washington, Oregon I-90 in Ellensburg, WashingtonI-84 in Hermiston, Oregon
83 Maryland, Pennsylvania President Street and Fayette Street in Baltimore, MarylandI-81 in Harrisburg, Pennsylvania
84a Oregon, Idaho, Utah I-5 in Portland, OregonI-80 in Echo, Utah
84b Pennsylvania, New York, Connecticut, Massachusetts I-81 in Scranton, PennsylvaniaI-90 in Sturbridge, Massachusetts
85 Alabama, Georgia, South Carolina, North Carolina, Virginia I-65 in Montgomery, AlabamaI-95 in Petersburg, Virginia
86a Idaho I-84 near Declo, IdahoI-15 in Chubbuck, Idaho
86b New York I-90 near North East, PennsylvaniaNY 17/NY 79 in Windsor, New York Unfinished in New York
87a North Carolina I-440/US 64/US 264 in Raleigh, North CarolinaUS 64/US 264 in Wendell, North Carolina Planned northern extension
87b New York I-278 in New York CityA-15 at Canadian border in Champlain, New York
88a Illinois I-80/IL 92 in East Moline, IllinoisI-290/IL 110 in Hillside, Illinois
88b New York I-81 in Binghamton, New YorkI-90 in Schenectady, New York
89 New Hampshire, Vermont I-93/SR 3A in Bow, New HampshireRoute 133/Future A-35 at Canadian border in Highgate, Vermont
90 Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, Massachusetts SR 519/4th Avenue/Edgar Martinez Drive in Seattle, WashingtonMA 1A in Boston, Massachusetts
91 Connecticut, Massachusetts, Vermont I-95 in New Haven, ConnecticutA-55 at Canadian border in Derby Line, Vermont
93 Massachusetts, New Hampshire, Vermont I-95/US 1 in Canton, MassachusettsI-91 in St. Johnsbury, Vermont
94 Montana, North Dakota, Minnesota, Wisconsin, Illinois, Indiana, Michigan I-90 in Lockwood, MontanaHighway 402 at Canadian border in Port Huron, Michigan
95 Florida, Georgia, South Carolina, North Carolina, Virginia, Maryland, Delaware, Pennsylvania, New Jersey, New York, Connecticut, Rhode Island, Massachusetts, New Hampshire, Maine US 1 in Miami, FloridaNB 95 at Canadian border in Houlton, Maine
96 Michigan US 31 in Norton Shores, MichiganI-75 in Detroit, Michigan
97 Maryland US 50 in Annapolis, MarylandI-695/I-895 in Glen Burnie, Maryland
99 Pennsylvania I-70/I-76 in Bedford, PennsylvaniaI-86/NY 17 in Painted Post, New York Unfinished in Pennsylvania