Notes:
This page is for Interstates, marked by a blue shield
For blue pentagons, see the County Roads page
For white shields, see the US Highways page
For unique shapes, see the State highways page
Interstates with 3-digit numbers branch off of the
2-digit interstate with their last two digits
Ex. I-294 is the second (2) branch off of I-94

RouteMapStateStartEndNote
2 Interstate 2 map TXUS 83 in Peñitas, TexasI-69E/US 77/US 83 in Harlingen, Texas Texas only
4 Interstate 4 map FLI-275 in Tampa, FloridaI-95/SR 400 in Daytona Beach, Florida Florida only
5 Interstate 5 map CA, OR, WAFed. 1 at Mexican border in San Ysidro, CaliforniaBC 99 at Canadian border in Blaine, Washington
8 Interstate 8 map CA, AZSunset Cliffs Boulevard/Nimitz Boulevard in San Diego, CaliforniaI-10 in Casa Grande, Arizona
10 Interstate 10 map CA, AZ, NM, TX, LA, MS, AL, FLSR 1 in Santa Monica, CaliforniaI-95/US 17/SR 228 in Jacksonville, Florida
11 Interstate 11 map NVUS 93 at Arizona state line near Boulder City, NevadaI-215/I-515/US 93/US 95/SR 564 in Henderson, Nevada Nevada only; planned extension north and south
12 Interstate 12 map LAI-10 in Baton Rouge, LouisianaI-10/I-59 in Slidell, Louisiana Louisiana only
14 Interstate 14 map TXUS 190/SH 9 in Copperas Cove, TexasI-35 in Belton, Texas Texas only; planned extension east and west
15 Interstate 15 map CA, NV, AZ, UT, ID, MTI-8/SR 15 in San Diego, CaliforniaHwy. 4 at Canadian border in Sweetgrass, Montana
16 Interstate 16 map GAI-75 in Macon, GeorgiaSR 404 and Montgomery Street/Martin Luther King Jr. Boulevard in Savannah, Georgia Georgia only
17 Interstate 17 map AZI-10 in Phoenix, ArizonaI-40/SR 89A in Flagstaff, Arizona Arizona only
19 Interstate 19 map AZFed. 15 at Mexican border in Nogales, ArizonaI-10 in Tucson, Arizona Arizona only
20 Interstate 20 map TX, LA, MS, AL, GA, SCI-10 at Scroggins Draw, TexasI-95 in Florence, South Carolina
22 Interstate 22 map MS, ALI-269/US 78 near Byhalia, MississippiI-65/US 31 in Birmingham, Alabama
24 Interstate 24 map IL, KY, TN, GAI-57 in Pulley's Mill, IllinoisI-75 in Chattanooga, Tennessee
25 Interstate 25 map NM, CO, WYI-10/US 85/US 180 in Las Cruces, New MexicoI-90/US 87 in Buffalo, Wyoming
26 Interstate 26 map TN, NC, SCUS 11W/US 23 in Kingsport, TennesseeUS 17 in Charleston, South Carolina
27 Interstate 27 map TXUS 87/Loop 289 in Lubbock, TexasI-40/US 87/US 287 in Amarillo, Texas Texas only
29 Interstate 29 map MO, IA, SD, NDI-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 Interstate 30 map TX, ARI-20 in Fort Worth, TexasI-40/US 65/US 67/US 167 in North Little Rock, Arkansas
35 Interstate 35 map TX, OK, KS, MO, IA, MNUS 83/SH 359/BS I-35 and MX-85 at Mexican border in Laredo, TexasMN 61/LSCT/26th Avenue in Duluth, Minnesota
37 Interstate 37 map TXUS 181 in Corpus Christi, TexasI-35/US 281 in San Antonio, Texas Texas only
39 Interstate 39 map IL, WII-55 in Normal, IllinoisWIS 29/US 51 in Wausau, Wisconsin
40 Interstate 40 map CA, AZ, NM, TX, OK, AR, TN, NCI-15 in Barstow, CaliforniaUS 117/NC 132 in Wilmington, North Carolina
41 Interstate 41 map IL, WII-94/US 41 in Russell, IllinoisI-43/US 41/US 141 in Howard, Wisconsin
43 Interstate 43 map WII-39/I-90 in Beloit, WisconsinI-41/US 41/US 141 in Howard, Wisconsin Wisconsin only
44 Interstate 44 map TX, OK, MOUS 82/US 277/US 281/US 287 in Wichita Falls, TexasI-70 in St. Louis, Missouri
45 Interstate 45 map TXSH 87 in Galveston, TexasI-30/US 67/US 75 in Dallas, Texas Texas only
49 Interstate 49 map LA, AR, MOI-10 in Lafayette, LouisianaI-435/I-470/US 50/US 71 in Kansas City, Missouri
55 Interstate 55 map LA, MS, TN, AR, MO, ILI-10 in LaPlace, LouisianaUS 41 in Chicago, Illinois
57 Interstate 57 map MO, ILI-55 in Miner, MissouriI-94 in Chicago, Illinois
59 Interstate 59 map LA, MS, AL, GAI-10/I-12 in Slidell, LouisianaI-24 in Wildwood, Georgia
64 Interstate 64 map MO, IL, IN, KY, WV, VAI-70/US 61 in Wentzville, MissouriI-264/I-664 in Chesapeake, Virginia
65 Interstate 65 map AL, TN, KY, INI-10 in Mobile, AlabamaUS 12/US 20 in Gary, Indiana
66 Interstate 66 map DC, VAI-81 in Front Royal, VirginiaUS 29 in Washington, D.C. Serves DC and one state: Virginia
68 Interstate 68 map WV, MDI-79 in Morgantown, West VirginiaI-70 in Hancock, Maryland
69 Interstate 69 map TX, MS, TN, INI-69E/US 77 & I-69W/US 59 in Victoria, Texas (future)Hwy 402 at Canadian border in Port Huron, Michigan Unfinished in Texas, Mississippi, Tennessee, and Indiana
70 Interstate 70 map UT, CO, KS, MO, IL, IN, OH, WV, PA, MDI-15 in Cove Fort, UtahPark and ride in Baltimore, Maryland
71 Interstate 71 map KY, OHI-64 in Louisville, KentuckyI-90 in Cleveland, Ohio
72 Interstate 72 map MO, ILUS 61 in Hannibal, MissouriChurch Street and University Avenue in Champaign, Illinois
73 Interstate 73 map NCUS 220 near Stokesdale, North CarolinaI‑74 and US 220 in Randleman, North Carolina North Carolina only; planned extension north and south
74 Interstate 74 map IA, IL, IN, OH, NCI-80 in Bettendorf, IowaUS 74/NC 41 near Lumberton, North Carolina
75 Interstate 75 map FL, GA, TN, KY, OH, MISR 826/SR 916/SR 924 in Miami Lakes, FloridaCanadian border at Sault Ste. Marie, Michigan
76a Interstate 76a map CO, NEI-70 at Denver, ColoradoI-80 at Big Springs, Nebraska
76b Interstate 76b map OH, PA, NJI-71 in Westfield Center, OhioI-295 at Bellmawr, New Jersey
77 Interstate 77 map SC, NC, VA, WV, OHI-26 in Columbia, South CarolinaI-90 in Cleveland, Ohio
78 Interstate 78 map PA, NJ, NYI-81 at Jonestown, PennsylvaniaCanal Street in New York City
79 Interstate 79 map WV, PAI-77 in Charleston, West VirginiaPA 5 in Erie, Pennsylvania
80 Interstate 80 map CA, NV, UT, WY, NE, IA, IL, IN, OH, PA, NJUS 101 in San Francisco, CaliforniaI-95 in Teaneck, New Jersey
81 Interstate 81 map TN, VA, WV, MD, PA, NYI-40 in Dandridge, TennesseeCanadian border at Wellesley Island, New York
82 Interstate 82 map WA, ORI-90 in Ellensburg, WashingtonI-84 in Hermiston, Oregon
83 Interstate 83 map MD, PAPresident Street and Fayette Street in Baltimore, MarylandI-81 in Harrisburg, Pennsylvania
84a Interstate 84a map OR, ID, UTI-5 in Portland, OregonI-80 in Echo, Utah
84b Interstate 84b map PA, NY, CT, MAI-81 in Scranton, PennsylvaniaI-90 in Sturbridge, Massachusetts
85 Interstate 85 map AL, GA, SC, NC, VAI-65 in Montgomery, AlabamaI-95 in Petersburg, Virginia
86a Interstate 86a map IDI-84 near Declo, IdahoI-15 in Chubbuck, Idaho Idaho only
86b Interstate 86b map NYI-90 near North East, PennsylvaniaNY 17/NY 79 in Windsor, New York Unfinished in New York
87a Interstate 87a map NCI-440/US 64/US 264 in Raleigh, North CarolinaUS 64/US 264 in Wendell, North Carolina North Carolina only; planned northern extension
87b Interstate 87b map NYI-278 in New York CityA-15 at Canadian border in Champlain, New York New York only
88a Interstate 88a map ILI-80/IL 92 in East Moline, IllinoisI-290/IL 110 in Hillside, Illinois Illinois only
88b Interstate 88b map NYI-81 in Binghamton, New YorkI-90 in Schenectady, New York New York only
89 Interstate 89 map NH, VTI-93/SR 3A in Bow, New HampshireRoute 133/Future A-35 at Canadian border in Highgate, Vermont
90 Interstate 90 map WA, ID, MT, WY, SD, MN, WI, IL, IN, OH, PA, NY, MASR 519/4th Avenue/Edgar Martinez Drive in Seattle, WashingtonMA 1A in Boston, Massachusetts
91 Interstate 91 map CT, MA, VTI-95 in New Haven, ConnecticutA-55 at Canadian border in Derby Line, Vermont
93 Interstate 93 map MA, NH, VTI-95/US 1 in Canton, MassachusettsI-91 in St. Johnsbury, Vermont
94 Interstate 94 map MT, ND, MN, WI, IL, IN, MII-90 in Lockwood, MontanaHighway 402 at Canadian border in Port Huron, Michigan
95 Interstate 95 map FL, GA, SC, NC, VA, MD, DE, PA, NJ, NY, CT, RI, MA, NH, MEUS 1 in Miami, FloridaNB 95 at Canadian border in Houlton, Maine
96 Interstate 96 map MIUS 31 in Norton Shores, MichiganI-75 in Detroit, Michigan Michigan only
97 Interstate 97 map MDUS 50 in Annapolis, MarylandI-695/I-895 in Glen Burnie, Maryland Maryland only
99 Interstate 99 map PAI-70/I-76 in Bedford, PennsylvaniaI-86/NY 17 in Painted Post, New York Unfinished in Pennsylvania
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