Missouri Highways Route Log

Counties in which each endpoint is located are shown in parentheses.

Miniature pseudo-markers are shown for US, Missouri, Interstate, and Interstate Business Loop and Spur Routes (unless you chose the text-only display option). The markers are based on Shield Generator [replaced by Shields Up, (c) 2002 David R. Kendrick] with additional modifications. More about the markers here.

Where available, links are also shown to relevant Road Signs & Sights Gallery photos.

Abbreviations: MO = Missouri Route, ALT = Alternate Route, SH = State Highway (for states other than Missouri), SP = Spur Route, SR = Supplemental Route (the secondary Missouri roads designated with letters).
Interstate Routes

Interstate 29

North Endpoint: Iowa line near Hamburg IA (Atchison)
South Endpoint: South side of Paseo Bridge (I-35/US 71), Kansas City (Jackson)
Principal Cities: Rock Port, Mound City, St Joseph, Platte City, North Kansas City, Kansas City
Counties: Atchison, Holt, Andrew, Buchanan, Platte, Clay, Jackson
Derivatives: I-229

Interstate 35

North Endpoint: Iowa line near Lamoni IA (Harrison)
South Endpoint: Kansas line, Kansas City (Jackson)
Principal Cities: Bethany, Cameron, Liberty, North Kansas City, Kansas City
Counties: Harrison, Daviess, De Kalb, Clinton, Clay, Jackson
Derivatives: I-435, I-635
Southwest Trafficway in Kansas City from I-70 to about 31st Street

Interstate 44

Southwest Endpoint: Oklahoma line SW of Joplin (Newton)
Northeast Endpoint: Mississippi River, Poplar Street Bridge (I-55/64/70, US 40), St Louis (St Louis City)
Principal Cities: Joplin, Sarcoxie, Mount Vernon, Springfield, Marshfield, Lebanon, Waynesville, Rolla, Cuba, Sullivan, Pacific, Kirkwood, St Louis
Counties: Newton, Jasper, Lawrence, Greene, Webster, Laclede, Pulaski, Phelps, Crawford, Franklin, St Louis, St Louis City
Derivatives: MO 744
Exact St Louis terminus not signed consistently, there are END I-44 signs at I-55 but Illinois also signs the road on the Poplar Street Bridge

Interstate 49

North Endpoint: I-435 Exits 71A and 71B, Kansas City (Jackson)
South Endpoint: US 71 S of Pineville (N of Arkansas border) (McDonald)
Principal Cities: Kansas City, Grandview, Harrisonville, Butler, Nevada, Lamar, Carthage, Joplin, Neosho
Counties: Jackson, Cass, Bates, Vernon, Barton, Jasper, Newton, McDonald
Derivatives: MO 249
Route officially designated on 12/12/2012, last 5 miles just N of Arkansas line not built; designation by AASHTO approved conditionally on 10/15/2011; designation concurrent with US 71 for entire length

Interstate 55

North Endpoint: Mississippi River, Poplar Street Bridge (I-44/64/70, US 40), St Louis (St Louis City)
South Endpoint: Arkansas line S of Steele (Pemiscot)
Principal Cities: St Louis, Arnold, Festus, Perryville, Jackson, Cape Girardeau, Sikeston, New Madrid, Portageville, Hayti, Steele
Counties: St Louis City, St Louis, Jefferson, Ste Genevieve, Perry, Cape Girardeau, Scott, New Madrid, Pemiscot
Derivatives: I-155, I-255

Interstate 57

Interstate 64

West Endpoint: US 40 at SR K, O'Fallon (St Charles)
East Endpoint: Mississippi River, Poplar Street Bridge (I-44/55/70, US 40), St Louis (St Louis City)
Principal Cities: Clayton, St Louis
Counties: O'Fallon, St Louis, St Louis City
Derivatives: MO 364
Concurrent with US 40 along entire length in Missouri, being extended to I-70 in St Charles County

Interstate 70

West Endpoint: Kansas line at Intercity Viaduct (US 24/40/169), Kansas City (Jackson)
East Endpoint: Mississippi River, Poplar Street Bridge (I-44/55/64, US 40), St Louis (St Louis City)
Principal Cities: Kansas City, Independence, Odessa, Concordia, Boonville, Columbia, Kingdom City, Warrenton, O'Fallon, St Peters, St Charles, Bridgeton, St Louis
Counties: Jackson, Lafayette, Saline, Cooper, Boone, Callaway, Montgomery, Warren, St Charles, St Louis, St Louis City
Derivatives: I-170, I-270, MO 370, I-470, I-670, MO 770
Probably the most heavily travelled Missouri highway

Interstate 72

West Endpoint: East of US 36/61 interchange, Hannibal (Marion)
East Endpoint: Mississippi River, Hannibal (Marion)
Principal Cities: Hannibal
Counties: Marion
New river bridge opened September 2000; I-72 to extend westward to Cameron at I-35 (estimated time, 10 to 20 years); US 36 will be four-lane divided route across Missouri by 2010

Interstate 155

West Endpoint: I-55 Exit 17 near Hayti (Pemiscot)
East Endpoint: Mississippi River SE of Caruthersville (Pemiscot)
Principal Cities: Caruthersville
Counties: Pemiscot
Derivative of I-55
Continues in Tennessee

Road Signs & Sights Gallery Photos

Interstate 170

North Endpoint: I-270 Exit 10, Hazelwood (St Louis)
South Endpoint: US 40 Exit 31, Richmond Heights (St Louis)
Principal Cities: Berkeley, Overland, University City, Clayton
Counties: St Louis
Derivative of I-70
Section from Page Ave (SR D) to US 40 formerly MO 725; locally known as the Inner Belt

Interstate 229

Interstate 244
Renamed or decommissioned
Now I-270 (between I-70 and I-55), redesignated in 1975

Interstate 255

West Endpoint: I-55 Exit 196A-B (at I-270), unincorporated St Louis County (St Louis)
East Endpoint: Jefferson Barracks Bridge, Mississippi River (US 50) (St Louis)
Counties: St Louis
Derivative of I-55
Continuation of I-270 into Illinois; also designated as American Veterans Memorial Highway

Interstate 270

Northeast Endpoint: Mississippi River near Federal Dam Number 27, St Louis (St Louis City)
Southeast Endpoint: I-55 Exit 196A-B (at I-255), unincorporated St Louis County (St Louis)
Principal Cities: St Louis, Florissant, Hazelwood, Bridgeton, Maryland Heights, Creve Coeur, Des Peres, Kirkwood
Counties: St Louis
Derivative of I-70
Circumferential freeway around St Louis metropolitan area; section from I-70 to I-55 formerly designated I-244 (redesignated 1975); also designated as American Veterans Memorial Highway

Interstate 435

North Endpoint: I-29 Exit 17 just outside Kansas City (Platte)
Northwest Endpoint: I-29 Exit 14, Kansas City (Platte)
Principal Cities: Kansas City
Counties: Platte, Clay, Jackson
Derivative of I-35
Circumferential freeway around Kansas City metropolitan area; spur into Kansas City International Airport signed as SR D in 1999

Interstate 470

Northeast Endpoint: I-70 Exit 15A-B, Independence (Jackson)
Southwest Endpoint: I-435/US 71 (Grandview Triangle), Kansas City (Jackson)
Principal Cities: Kansas City, Lee's Summit, Independence
Counties: Jackson
Derivative of I-70
Loop through eastern suburbs of Kansas City

Interstate 635

North Endpoint: I-29 Exit 3C, Kansas City (Platte)
South Endpoint: Missouri River, Riverside (Platte)
Principal Cities: Kansas City, Riverside
Counties: Platte
Derivative of I-35

Interstate 670

West Endpoint: Kansas line at Genessee/Wyoming St exit, Kansas City (Jackson)
East Endpoint: I-35/70 at SE corner of downtown freeway loop, Kansas City (Jackson)
Principal Cities: Kansas City
Counties: Jackson
Derivative of I-70
Includes a two-mile spur between I-70 in Kansas and I-35 in Missouri through the old Kansas City Stockyards; labeled on some directional signs as I-70 ALT; also officially known as the Jay Dillingham Highway
Output produced by routelog, program copyright (c) 1998-2007, Mark Roberts. All rights reserved.

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