RouteMapsStateStartsEndsNotes
1 Follows the East Coast of the United States|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
2 Western segment|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
3 Massachusetts signs the southern end in Cambridge, northeast of AASHTO's end|New Hampshire, Massachusetts Route 2A/Route 3 in Boston, MACanadian border at Pittsburg, NH
9 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|New York, New Jersey, Delaware US 13 in Laurel, DEI-87 at Champlain, NY
10 Route includes a ferry across Lake Michigan|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
13 Pennsylvania signs the northern end at US 1, just south of AASHTO's end|Pennsylvania, Delaware, Maryland, Virginia, North Carolina I-95/I-295 northeast of Fayetteville, NCUS 1 in Morrisville, PA
20 Segments connected by road through Yellowstone National Park|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
23 Michigan signs the northern end where it merges with I-75, while AASHTO continues it north to the southern end of the Mackinac Bridge|Florida, Georgia, North Carolina, Tennessee, Virginia, Kentucky, Ohio, Michigan US 1, US 17 in Jacksonville, FLI-75 in Mackinaw City, MI
30 A majority of the historic Lincoln Highway, the first road across America, became US Route 30, from Philadelphia PA to Granger WY.|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
31 Michigan signs the northern end where it merges with I-75, while AASHTO continues it north to the southern end of the Mackinac Bridge|Alabama, Tennessee, Kentucky, Indiana, Michigan US 90, US 98, SR 16 in Spanish Fort, ALI-75 south of Mackinaw City, MI
35 Indiana signs the northern end at US 12|Indiana, Ohio, West Virginia I-64 in Teays Valley, WVUS 20 in Michigan City, IN
40 Replaced by I-80 between San Francisco, CA and US 189 north of Park City, UT|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
42 Kentucky signs the western end of US 42 at US 31E/US 60, just west of I-65|Ohio, Kentucky US 31E, US 60 in Louisville, KYUS 6, US 20, US 322, US 422 in Cleveland, OH
43 Alabama signs the southern end at US 90 north of downtown Mobile|Tennessee, Alabama US 31, US 45, US 90 in Mobile, ALUS 31 in Columbia, TN
45 Alabama signs the southern end at US 98 west of downtown Mobile|Alabama, Mississippi, Tennessee, Kentucky, Illinois, Wisconsin, Michigan US 31, US 43, US 90 in Mobile, ALRiver and Ontonagon streets in Ontonagon, MI
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 Temporary route for Corridor H|West Virginia, Virginia I-79, US 33, US 119 east of Weston, WVI-81 north of Strasburg, VA
54 Texas signs the western end at a point east of the border crossing|Texas, New Mexico, Oklahoma, Kansas, Missouri, Illinois Loop 375 in El Paso, TXI-72/US 36/IL 107 near Griggsville, IL
56 Mostly follows the Santa Fe Trail and Cimarron Cutoff|Kansas, Oklahoma, New Mexico, Texas I-25 Bus./US 412/NM 21 in Springer, NMUS 71 in Kansas City, MO
57 Texas Mexican border at Eagle Pass, TXI-35 southwest of Moore, TX Intrastate|
62 New York signs the northern (eastern) end in Niagara Falls, northeast of the border crossing|Texas, New Mexico, Oklahoma, Arkansas, Missouri, Illinois, Kentucky, Ohio, Pennsylvania, New York US 85 in El Paso, TXCanadian border at Niagara Falls, NY
65 Minnesota signs the northern end at I-35 south of I-90|Minnesota, Iowa, Missouri, Arkansas, Louisiana US 425 in Clayton, LAI-35 in Albert Lea, MN
72 Only non-intrastate highway to have its termini in the same state|Tennessee, Alabama, Mississippi US 64/US 70/US 79 in Memphis, TNUS 11/US 41/US 64/US 76 in Chattanooga, TN
79 Texas signs the southern end at I-35 at Round Rock, north of Austin|Texas, Louisiana, Arkansas, Tennessee, Kentucky I-35 in Round Rock, TXUS 68 in Russellville, KY
89 Segments connected by road through Yellowstone National Park|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
90 Follows the Gulf Coast of the US|Texas, Louisiana, Mississippi, Alabama, Florida I-10 in Van Horn, TXSR A1A in Jacksonville Beach, FL
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 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.|Mississippi, Alabama, Florida US 61, US 84, US 425 in Natchez, MSUS 1 in West Palm Beach, FL
101 Follows the West Coast of the United States|Washington, Oregon, California I-5 in Los Angeles, CAI-5 in Olympia, WA
117 North Carolina Port of Wilmington at Wilmington, NCI-95, US 264 west of Wilson, NC Intrastate, North Carolina only|
121 Proposed highway|Virginia, West Virginia US 23 in Pound, VAI-64, I-77 in Beckley, WV
127 Tennessee signs the southern end at US 27 north of Chattanooga|Michigan, Ohio, Kentucky, Tennessee US 11, US 64, US 72 in Chattanooga, TNI-75 south of Grayling, MI
130 New Jersey I-295, US 40 southwest of Penns Grove, NJUS 1 southwest of New Brunswick, NJ Intrastate|
136 Formerly continued into Indianapolis to end at US 421|Nebraska, Missouri, Illinois, Indiana US 6, US 34 north of Edison, NEI-465/I-74 west of Indianapolis, IN
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 does not sign US 189 north of US 40 at Heber City|Utah, Wyoming I-15 in Provo, UTUS 26, US 89, US 187, US 191 in Jackson, WY
191 Segments connected by road through Yellowstone National Park|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
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 signs the northern end at US 2 in Bangor|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
211 Virginia I-81 in New Market, VAUS 15 Bus., US 29 Bus. in Warrenton, VA Intrastate|
223 Ohio does not sign the designation|Michigan, Ohio US 23, SR 51/SR 184 in Sylvania, OHUS 127 west of Somerset, MI
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 Segments connected by road through Yellowstone National Park|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
290 Texas I-10 near Harper, TXI-610 northwest of Houston, TX Intrastate|
302 Maine signs the eastern end along US 1 several blocks south of I-295|Vermont, New Hampshire, Maine US 2 in Montpelier, VTI-295, US 1 in Portland, ME
310 Wyoming signs the eastern (southern) end where AASHTO has it join US 14/US 16/US 20 west of Greybull|Montana, Wyoming US 14, US 16, US 20 in Greybull, WYI-90, US 212 in Laurel, MT
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 Oklahoma signs the northern end at I-44 at Stroud|Texas, Oklahoma US 90, US 277 in Del Rio, TXUS 70 in Madill, OK
441 Florida signs the southern end at US 41|Tennessee, North Carolina, Georgia, Florida US 27 in Miami, FLUS 25W in Lake City, TN
491 Result of a renumbering of US Route 666|Utah, Colorado, New Mexico I-40 in Gallup, NMUS 191 in Monticello, UT