INTERSTATE HIGHWAYS (MAINLINE) This is a full breakdown of what I've driven on the US Interstate Highway system (mainline, or "2di" routes, only). Italicized states mean I've driven the entire distance of that route within that state. Bold mileage means I've driven the entire route. I-4: (Florida; 34 out of 132 miles) from exit 55 (US 27) at Haines City to exit 88 (FL-423) near Orlando FL intersected eastern terminus at I-95 exit 260A near Daytona Beach FL I-5: (California, Oregon, Washington; 875 out of 1380 miles) from exit 5A (CA 75) at Chula Vista CA to exit 20 (I-8) at San Diego CA from exit 31 (I-805) at Carmel Valley CA to exit 162 (CA 14) at Sylmar CA from exit 257 (CA 58) at Buttonwillow CA to exit 403 (CA 152) near Los Banos CA from exit 522 (I-80) at Sacramento CA to exit 1 (I-205) in Vancouver WA I-8: (California, Arizona; 350 miles) from Mission Bay in San Diego CA to I-10 exit 199 in Casa Grande AZ I-10: (California, Arizona, New Mexico, Texas, Louisiana, Mississippi, Alabama, Florida; 2250 out of 2465 miles) from western terminus at CA 1 in Santa Monica CA to exit 192 (CA 177) at Desert Center CA from exit 112 (AZ 85) near Buckeye AZ to exit 143 (I-17 North) in Phoenix AZ from exit 150 (end I-17) to exit 154 (US 60) in Tempe AZ from exit 199 (I-8) in Casa Grande AZ to eastern terminus at I-95 exit 351B in Jacksonville FL I-12: (Louisiana; 86 miles) from I-10 exit 159 in Baton Rouge LA to I-10 exit 267 near Slidell LA I-15: (California, Nevada, Arizona, Utah, Idaho, Montana; 1058 out of 1434 miles) from exit 109 (I-10) at San Bernardino CA to exit 129 (I-90) near Butte MT I-16: (Georgia; 10 out of 167 miles) from exit 157 (I-95) near Pooler GA to eastern terminus in Savannah GA I-17: (Arizona; 6 out of 146 miles) from southern terminus at I-10 exit 150 in Phoenix AZ to exit 6 (I-10 West) in Phoenix AZ I-19: (Arizona; 0 out of 101 miles) intersected northern terminus at I-10 exit 260 in Tucson AZ I-20: (Texas, Louisiana, Mississippi, Alabama, Georgia, South Carolina; 1470 out of 1535 miles) from western terminus at I-10 exit 186 near Kent TX to exit 76B (I-77) near Columbia SC I-22 (future; current configuration): (Mississippi, Alabama; 200 of 208 miles) from western terminus at Tennessee state line near Olive Branch MS to exit 85 (US 78) in Graysville AL I-24: (Illinois, Kentucky, Tennessee, Georgia, Tennessee; 317 miles) from I-57 exit 44 near Pulleys Mill IL to I-75 exit 185 in Chattanooga TN I-25: (New Mexico, Colorado, Wyoming; 210 out of 1060 miles) intersected southern terminus at I-10 exit 144 in Las Cruces NM from exit 226 (I-40) in Albuquerque NM to exit 227A (Candelaria Road) in Albuquerque NM from exit 451 (US 64/87) in Raton NM to exit 200 (I-225) at Greenwood Village CO intersected northern terminus at I-90 exit 56B in Buffalo WY I-26: (Tennessee, North Carolina, South Carolina; 55 out of 341 miles) intersected western terminus at I-81 exit 57 near Kingsport TN from exit 12 (US 19W) near Ernestville TN to exit 31 (US 321) in Johnson City TN from exit 11 (US 19) at Mars Hill NC to exit 29 (I-40) in Asheville NC from exit 49 (US 64) in Hendersonville NC to exit 67 (US 74) in Columbus NC I-27: (Texas; 3 out of 124 miles) from southern terminus at LOOP-289 in Lubbock TX to exit 3 (US 62) in Lubbock TX intersected northern terminus at I-40 exit 70 in Amarillo TX I-29: (Missouri, Iowa, South Dakota, North Dakota; 602 out of 757 miles) from southern terminus at I-70 exit 2G in Kansas City MO to exit 63 (I-94) in Fargo ND I-30: (Texas, Arkansas; 367 miles) from I-20 exit 421 in Aledo TX to I-40 exit 153 in North Little Rock AR I-35: (Texas, Oklahoma, Kansas, Missouri, Iowa, Minnesota; 1300 out of 1432 miles, not including E/W split routes) from southern terminus at US 85 in Laredo TX to E/W split at exit 372 in Waxahachie TX from E/W split at exit 466 in Denton TX to exit 88 (I-35E/I-35W split) in Burnsville MN I-37: (Texas; 143 miles) from US 181 in Corpus Christi TX to I-35 exit 158 in San Antonio TX (143 miles) I-39: (Illinois, Wisconsin; 208 out of 306 miles) from southern terminus at I-55 exit 164 in Bloomington IL to exit 85 (I-90/94) near Portage WI I-40: (California, Arizona, New Mexico, Texas, Oklahoma, Arkansas, Tennessee, North Carolina; 2418 out of 2549 miles) from western terminus at I-15 exit 184 in Barstow CA to exit 289 (Wade Avenue) in Raleigh NC I-43: (Wisconsin; 72 out of 192 miles) from southern terminus at I-39/90 exit 2 in Beloit WI to exit 72 (I-94 West) in Milwaukee WI I-44: (Texas, Oklahoma, Missouri; 634 miles) from US 277/287 in Wichita Falls TX to Illinois state line in Saint Louis MO I-45: (Texas; 274 out of 285 miles) from southern terminus at LOOP-87 in Galveston TX to exit 32 (LOOP-8) in Pasadena TX from exit 46 (US-59) in Houston TX to northern terminus at I-30 exit 46 in Dallas TX I-49: (Louisiana; 208 miles) from I-10 exit 103 in Lafayette LA to I-20 exit 17B in Shreveport LA I-55: (Louisiana, Mississippi, Tennessee, Arkansas, Missouri, Illinois; 784 out of 942 miles) intersected southern terminus at I-10 exit 209 near La Place from exit 92 (I-20) in Jackson MS to northern terminus at US 41 in downtown Chicago IL I-57: (Missouri, Illinois; 386 miles) from I-55 exit 66 near Sikeston MO to I-94 exit 63 in Chicago IL I-59: (Louisiana, Mississippi, Alabama, Georgia; 442 miles) from I-10 exit 267 at Slidell LA to I-24 exit 167 near Lookout Mountain GA I-64: (Missouri, Illinois, Indiana, Kentucky, West Virginia, Virginia; 953 miles) from MO-94 in Weldon Spring MO to I-264/664 in Chesapeake VA I-65: (Alabama, Tennessee, Kentucky, Indiana; 552 out of 886 miles) from southern terminus at I-90 exit 20 in Mobile AL to exit 93 (US 84) at Evergreen AL from exit 167 (US 80) in Montgomery AL to exit 179 (US 82) near Prattville AL from exit 250 (I-459) in Hoover AL to exit 261 (I-20/59) in Birmingham AL from exit 82 (I-40 East) in Nashville TN to exit 84 (I-40 West) in Nashville TN and from exit 86 (I-24 East) in Nashville TN to northern terminus at I-90 exit 17 in Gary IN I-66: (Virginia, District of Columbia; 77 miles) from I-81 exit 300 near Strasburg VA to US 29 in Washington DC I-68: (West Virginia, Maryland; 113 miles) from I-79 exit 148 near Morgantown WV to I-70 exit 1 in Hancock MD I-69: (Indiana, Michigan; 195 out of 358 miles) from southern terminus at I-465 exit 37B in Indianapolis IN to exit 38 (I-94) near Marshall MI I-70: (Utah, Colorado, Kansas, Missouri, Illinois, Indiana, Ohio, West Virginia, Pennsylvania, Maryland; 2143 miles) from I-15 exit 132 at Cove Fort UT to Baltimore MD city limits in a park & ride past I-695 exit 16 I-71: (Kentucky, Ohio; 122 out of 348 miles) intersected southern terminus at I-64 exit 6 in Louisville KY from exit 77 (I-75) near Walton KY to exit 1A (I-75) in Cincinnati OH from exit 119 (I-270) in Columbus OH to exit 220 (I-271) near Medina OH intersected northern terminus at I-90 exit 170 in Cleveland OH I-72: (Missouri, Illinois; 142 out of 179 miles) from exit 35 (US 54) near Griggsville IL to eastern terminus at I-57 exit 235 in Champaign IL I-73: (North Carolina; 0 out of 55 miles) intersected current northern terminus at I-40 exit 218 in Greensboro NC I-74: (Northern section: Iowa, Illinois, Indiana, Ohio; 365 out of 416 miles) intersected western terminus at IA I-80 exit 298 in Davenport IA from exit 46 (US 34) in Galesburg IL to eastern terminus at I-75 exit 4 in Cincinnati OH I-74: (Southern section: North Carolina; 12 out of 41 miles) from northern break at US 52 near Mount Airy NC to current northern terminus at I-77 exit 101 near Pine Ridge NC I-75: (Florida, Georgia, Tennessee, Kentucky, Ohio, Michigan; 1186 out of 1780 miles) from exit 101 (FL-951) in Golden Gate FL to exit 210 (FL-78) in Sarasota FL from exit 328 (FL-TPK) near Wildwood FL to exit 4 (I-74) in Cincinnati OH from exit 29 (OH-63) near Monroe OH to exit 41 (MI-39) in Lincoln Park MI I-76: (Western section: Colorado, Nebraska; 0 out of 182 miles) intersected western terminus at I-70 exit 269 in Arvada CO intersected eastern terminus at I-80 exit 102 near Nebraska state line near Julesburg CO I-76: (Eastern section: Ohio, Pennsylvania, New Jersey; 342 out of 435 miles) intersected western terminus at I-71 exit 209 near Westfield Center OH from exit 10 (PA-60) near New Galilee PA to exit 347 (25th Street) in Philadelphia PA from exit 351 (I-95) in Philadelphia PA to eastern terminus at I-295 exit 27 in Camden NJ I-77: (South Carolina, North Carolina, Virginia, West Virginia, Ohio; 329 out of 613 miles) from exit 16 (I-20) near Columbia SC to exit 1 (US 52) at Bluefield WV from exit 40 (I-64) at Beckley WV to exit 104 (I-79) at Charleston WV from exit 124 (WV-34) near Kenna WV to exit 138 (US 33) near Ripley WV intersected northern terminus at I-90 exit 172 in Cleveland OH I-78: (Pennsylvania, New Jersey, New York; 143 miles) from I-81 exit 189 near Jonestown PA to NY-9A in Manhattan NY I-79: (West Virginia, Pennsylvania; 339 out of 344 miles) from southern terminus at I-77 exit 104 in Charleston WV to exit 178 (I-90) in Erie PA I-80: (California, Nevada, Utah, Wyoming, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New Jersey; 1845 out of 2973 miles) from western terminus at US 101 in San Francisco CA to exit 8A (I-880) at Emeryville CA from exit 33 (CA 37) at Vallejo CA to exit 94B (Auburn Blvd) in Sacramento CA from exit 120 (I-15 North) in Salt Lake City UT to exit 297 (US 77) in Lincoln NE from exit 1A (I-29 North) in Council Bluffs IA to exit 4 (I-29 South) in Council Bluffs IA from exit 123 (I-35 South) in West Des Moines IA to exit 137 (I-35 North) in Des Moines IA from exit 142 (US 65) in Capitol Heights IA to exit 8A near Elyria OH from exit 19 (I-79) near Grove City PA to eastern terminus at I-95 exit 68 in Richfield Park NJ I-81: (Tennessee, Virginia, West Virginia, Maryland, Pennsylvania, New York; 856 miles) from I-40 exit 421 near Dandridge TN to Canadian border near Fishers Island NY I-82: (Washington, Oregon; 21 out of 143 miles) from exit 113 (US 395) in Kennewick WA to exit 1 (US 730) in Umatilla OR I-83: (Maryland, Pennsylvania; 86 miles) from Fayette Street in downtown Baltimore MD to I-81 exit 70 near Colonial Park PA I-84: (Western section: Oregon, Idaho, Utah; 208 out of 765 miles) from western terminus at I-5 exit 301 in Portland OR to exit 168 (US 730) near Boardman OR from exit 40 (I-15 North) in Tremonton UT to exit 80 (I-15 South) in Ogden UT intersected eastern terminus at I-80 exit 168 near Echo UT I-84: (Eastern section: Pennsylvania, New York, Connecticut, Massachusetts; 232 miles) from I-81 exit 186 near Throop PA to I-90 exit 9 near Sturbridge MA I-85: (Alabama, Georgia, South Carolina, North Carolina, Virginia; 665 miles) from I-65 in Montgomery AL to I-95 exit 51B in Petersburg VA I-86: (Western section: Idaho; 0 out of 63 miles) intersected eastern terminus at I-15 exit 72 in Pocatello ID I-86: (Eastern section: Pennsylvania, New York; 24 out of 177 miles) intersected western terminus at I-90 exit 37 near Erie PA from exit 20 (NY-353) near Salamanca NY to exit 22 (US 219) near Carrollton NY from exit 36 (I-390) near Avoca NY to exit 44 (US-15) in Painted Post NY I-87: (New York; 333 miles) from I-278 exit 47 in The Bronx NY to Canadian border near Champlain NY I-88: (Western section: Illinois; 62 out of 141 miles) intersected western terminus at I-80 exit 4 near Moline IL from exit 79 (I-39) near Rochelle IL to eastern terminus at I-290 exit 15 in Elmhurst IL I-88: (Eastern section: New York; 118 miles) from I-81 exit 6 near Binghamton NY to I-90 exit 25 near Rotterdam NY I-89: (New Hampshire, Vermont; 159 out of 191 miles) from southern terminus at I-93 exit 11A in Concord NH to exit 17 (US 2) at Chimney Corner VT I-90: (Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvana, New York, Massachusetts; 2778 out of 2998 miles) from exit 220 (US 395) near Ritzville WA to eastern terminus at Logan Airport in Boston MA I-91: (Connecticut, Massachusetts, Vermont; 211 out of 290 miles) from southern terminus at I-95 exit 48 in New Haven CT to exit 16 (VT-25) in Bradford VT I-93: (Massachusetts, New Hampshire, Vermont; 94 out of 200 miles) from southern terminus at I-95 exit 12 in Canton MA to exit 11A (I-89) in Concord NH from exit 32 (NH-112) in Lincoln NH to exit 35 (US 3) at Franconia Notch NH I-94: (Montana, North Dakota, Minnesota, Wisconsin, Illinois, Indiana, Michigan; 1047 out of 1556 miles) from western terminus at I-90 exit 456 near Billings MT to exit 1 (US 75) in Moorhead MN from exit 41 (WI-25) near Menomonie WI to exit 16 (I-80/90) near Lake Station IN from exit 108 (I-69) near Marshall MI to exit 202 (US 24) near Taylor MI I-95: (Florida, Georgia, South Carolina, North Carolina, Virginia, District of Columbia, Maryland, Delaware, Pennsylvana, New Jersey, New York, Connecticut, Rhode Island, Massachusetts, New Hampshire, Maine; 1647 out of 1918 miles) from southern terminus at US 1 in Miami FL to exit 20 (MA-9) in Wellesley Hills MA from exit 159 (US 2) at Newport ME to exit 264 (ME-158) near Sherman ME I-96: (Michigan; 0 out of 192 miles) I-97: (Maryland; 18 miles) from I-595 exit 21 near Parole MD to I-695 exit 4 in Glen Burnie MD I-99: (Pennsylvania; 53 miles) from US 220 in Bedford PA to US 220 in Bald Eagle PA Note: data for I-95 uses future routings which will become effective upon the completion of the I-95/I-276 interchange near Bristol PA. 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