RouteMapsStateStartsEndsNotes
1 Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Maryland, Columbia, Virginia, North Carolina, South Carolina, Georgia, Florida Fleming and Whitehead streets in Key West, FLCanadian border at Fort Kent, ME Follows the East Coast of the United States
2 Maine, New Hampshire, Vermont, New York, Michigan, Wisconsin, Minnesota, North Dakota, Montana, Idaho, Washington I-5/SR 529 in Everett, WAI-75 in St. Ignace, MI Western segment
3 New Hampshire, Massachusetts Route 2A/Route 3 in Boston, MACanadian border at Pittsburg, NH Massachusetts signs the southern end in Cambridge, northeast of AASHTO's end
9 New York, New Jersey, Delaware US 13 in Laurel, DEI-87 at Champlain, NY Route includes Cape May–Lewes Ferry across the Delaware Bay. New York signs the northern end at a dead-ending parking lot just south of the border crossing
10 Minnesota, Wisconsin, Michigan I-94/BL I-94/US 52 in West Fargo, NDI-75/BL I-75/US 23/M-25 near Bay City, MI Route includes a ferry across Lake Michigan
13 Pennsylvania, Delaware, Maryland, Virginia, North Carolina I-95/I-295 northeast of Fayetteville, NCUS 1 in Morrisville, PA Pennsylvania signs the northern end at US 1, just south of AASHTO's end
20 Oregon, Idaho, Montana, Wyoming, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New York, Massachusetts US 101 in Newport, OR | Yellowstone National Park, WYYellowstone National Park, MT | Route 2 in Boston, MA Segments connected by road through Yellowstone National Park
23 Florida, Georgia, North Carolina, Tennessee, Virginia, Kentucky, Ohio, Michigan US 1, US 17 in Jacksonville, FLI-75 in Mackinaw City, MI Michigan signs the northern end where it merges with I-75, while AASHTO continues it north to the southern end of the Mackinac Bridge
30 Oregon, Idaho, Wyoming, Nebraska, Iowa, Illinois, Indiana, Ohio, West Virginia, Pennsylvania, New Jersey US 101 in Astoria, ORAbsecon Boulevard and Virginia Avenue in Atlantic City, NJ A majority of the historic Lincoln Highway, the first road across America, became US Route 30, from Philadelphia PA to Granger WY.
31 Alabama, Tennessee, Kentucky, Indiana, Michigan US 90, US 98, SR 16 in Spanish Fort, ALI-75 south of Mackinaw City, MI Michigan signs the northern end where it merges with I-75, while AASHTO continues it north to the southern end of the Mackinac Bridge
35 Indiana, Ohio, West Virginia I-64 in Teays Valley, WVUS 20 in Michigan City, IN Indiana signs the northern end at US 12
40 Utah, Colorado, Kansas, Missouri, Illinois, Indiana, Ohio, West Virginia, Pennsylvania, Maryland, Delaware, New Jersey I-80, US 189 north of Park City, UTUS 322 in Atlantic City, NJ Replaced by I-80 between San Francisco, CA and US 189 north of Park City, UT
42 Ohio, Kentucky US 31E, US 60 in Louisville, KYUS 6, US 20, US 322, US 422 in Cleveland, OH Kentucky signs the western end of US 42 at US 31E/US 60, just west of I-65
43 Tennessee, Alabama US 31, US 45, US 90 in Mobile, ALUS 31 in Columbia, TN Alabama signs the southern end at US 90 north of downtown Mobile
45 Alabama, Mississippi, Tennessee, Kentucky, Illinois, Wisconsin, Michigan US 31, US 43, US 90 in Mobile, ALRiver and Ontonagon streets in Ontonagon, MI Alabama signs the southern end at US 98 west of downtown Mobile
46 New Jersey I-80/Route 94 in Columbia, NJI-95, US 1, US 9 at the Hudson River in Fort Lee, NJ Intrastate
48 West Virginia, Virginia I-79, US 33, US 119 east of Weston, WVI-81 north of Strasburg, VA Temporary route for Corridor H
54 Texas, New Mexico, Oklahoma, Kansas, Missouri, Illinois Loop 375 in El Paso, TXI-72/US 36/IL 107 near Griggsville, IL Texas signs the western end at a point east of the border crossing
56 Kansas, Oklahoma, New Mexico, Texas I-25 Bus./US 412/NM 21 in Springer, NMUS 71 in Kansas City, MO Mostly follows the Santa Fe Trail and Cimarron Cutoff
57 Texas Mexican border at Eagle Pass, TXI-35 southwest of Moore, TX Intrastate
62 Texas, New Mexico, Oklahoma, Arkansas, Missouri, Illinois, Kentucky, Ohio, Pennsylvania, New York US 85 in El Paso, TXCanadian border at Niagara Falls, NY New York signs the northern (eastern) end in Niagara Falls, northeast of the border crossing
65 Minnesota, Iowa, Missouri, Arkansas, Louisiana US 425 in Clayton, LAI-35 in Albert Lea, MN Minnesota signs the northern end at I-35 south of I-90
72 Tennessee, Alabama, Mississippi US 64/US 70/US 79 in Memphis, TNUS 11/US 41/US 64/US 76 in Chattanooga, TN Only non-intrastate highway to have its termini in the same state
79 Texas, Louisiana, Arkansas, Tennessee, Kentucky I-35 in Round Rock, TXUS 68 in Russellville, KY Texas signs the southern end at I-35 at Round Rock, north of Austin
89 Montana, Wyoming, Idaho, Utah, Arizona US 180 in Flagstaff, AZ | Yellowstone National Park, MT near Gardiner, MTYellowstone National Park, WY | Canadian border near Babb, MT Segments connected by road through Yellowstone National Park
90 Texas, Louisiana, Mississippi, Alabama, Florida I-10 in Van Horn, TXSR A1A in Jacksonville Beach, FL Follows the Gulf Coast of the US
92 Florida I-175, I-375, SR 687 in St. Petersburg, FLSR A1A in Daytona Beach, FL Intrastate
96 Texas US 69/US 287/TX 87 in Port Arthur, TXUS 59, US 84 in Tenaha, TX Intrastate
98 Mississippi, Alabama, Florida US 61, US 84, US 425 in Natchez, MSUS 1 in West Palm Beach, FL Mississippi records indicate the western end is at US 84 in Bude, although there are US 98 shields as far west as Natchez. Florida signs US 98 east of US 1, ending at SR A1A.
101 Washington, Oregon, California I-5 in Los Angeles, CAI-5 in Olympia, WA Follows the West Coast of the United States
117 North Carolina Port of Wilmington at Wilmington, NCI-95, US 264 west of Wilson, NC Intrastate, North Carolina only
121 Virginia, West Virginia US 23 in Pound, VAI-64, I-77 in Beckley, WV Proposed highway
127 Michigan, Ohio, Kentucky, Tennessee US 11, US 64, US 72 in Chattanooga, TNI-75 south of Grayling, MI Tennessee signs the southern end at US 27 north of Chattanooga
130 New Jersey I-295, US 40 southwest of Penns Grove, NJUS 1 southwest of New Brunswick, NJ Intrastate
136 Nebraska, Missouri, Illinois, Indiana US 6, US 34 north of Edison, NEI-465/I-74 west of Indianapolis, IN Formerly continued into Indianapolis to end at US 421
158 North Carolina US 64, US 601 in Mocksville, NCUS 64 south of Nags Head, NC Intrastate
171 Louisiana US 90 in Lake Charles, LAUS 79, US 80 in Shreveport, LA Intrastate
175 Texas US 69 in Jacksonville, TXSH 310 in Dallas, TX Intrastate. Texas signs the western (northern) end at I-45 north of AASHTO's end
181 Texas I-37 in Corpus Christi, TXI-35, US 281 in San Antonio, TX Intrastate. Texas signs the northern end at I-37 southeast of San Antonio
189 Utah, Wyoming I-15 in Provo, UTUS 26, US 89, US 187, US 191 in Jackson, WY Utah does not sign US 189 north of US 40 at Heber City
191 Montana, Wyoming, Utah, Arizona Mexican border at Douglas, AZ | Yellowstone National Park, MT near West Yellowstone, MTYellowstone National Park, WY | Canadian border near Loring, MT Segments connected by road through Yellowstone National Park
192 Florida US 27 near Four Corners, FLSR A1A in Indialantic, FL Intrastate
201 Maine US 1 in Brunswick, MECanadian border near Saint-Theophile, QC Intrastate
202 Maine, New Hampshire, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania US 13, US 40 northwest of New Castle, DEUS 1 Alt., I-395 in Bangor, ME Maine signs the northern end at US 2 in Bangor
211 Virginia I-81 in New Market, VAUS 15 Bus., US 29 Bus. in Warrenton, VA Intrastate
223 Michigan, Ohio US 23, SR 51/SR 184 in Sylvania, OHUS 127 west of Somerset, MI Ohio does not sign the designation
264 North Carolina I-440, US 64 in Raleigh, NCUS 64 southwest of Nags Head, NC Intrastate
266 Oklahoma US 62, US 75 in Henryetta, OKUS 64 in Warner, OK Intrastate
287 Montana, Wyoming, Colorado, Oklahoma, Texas US 69/US 96/TX 87 in Port Arthur, TX | Yellowstone National Park, MTYellowstone National Park, WY | US 89 in Choteau, MT Segments connected by road through Yellowstone National Park
290 Texas I-10 near Harper, TXI-610 northwest of Houston, TX Intrastate
302 Vermont, New Hampshire, Maine US 2 in Montpelier, VTI-295, US 1 in Portland, ME Maine signs the eastern end along US 1 several blocks south of I-295
310 Montana, Wyoming US 14, US 16, US 20 in Greybull, WYI-90, US 212 in Laurel, MT Wyoming signs the eastern (southern) end where AASHTO has it join US 14/US 16/US 20 west of Greybull
341 Georgia US 17 in Brunswick, GAUS 41 in Barnesville, GA Intrastate
350 Colorado I-25, US 85, US 87, US 160 in Trinidad, COUS 50 in La Junta, CO Intrastate. Colorado signs the western end at US 160 northeast of Trinidad
360 Virginia US 58 Bus. in Danville, VAMain Street/Reed Ave. in Reedville, VA Intrastate
377 Texas, Oklahoma US 90, US 277 in Del Rio, TXUS 70 in Madill, OK Oklahoma signs the northern end at I-44 at Stroud
441 Tennessee, North Carolina, Georgia, Florida US 27 in Miami, FLUS 25W in Lake City, TN Florida signs the southern end at US 41
491 Utah, Colorado, New Mexico I-40 in Gallup, NMUS 191 in Monticello, UT Result of a renumbering of US Route 666