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List of Interstate Highways in Missouri
From Wikipedia, the free encyclopedia
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The Interstate Highways in Missouri are the segments of the national Dwight D. Eisenhower System of Interstate and Defense Highways[2] that are owned and maintained by the U.S. state of Missouri.
Quick Facts Interstate Highways of the Missouri Highway System, System information ...
| Interstate Highways of the Missouri Highway System | |
|---|---|
  Highway markers Interstate 44, Interstate 435, and Interstate Business Loop 55 | |
 Interstate Highways highlighted in red | |
| System information | |
| Maintained by MoDOT | |
| Formed | June 29, 1956 (1956-06-29)[1] |
| Highway names | |
| Interstates | Interstate nn (I‑nn) |
| System links | |
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Primary Interstates
More information Number, Length (mi) ...
| Number | Length (mi)[3] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 I-29 |
128.584 | 206.936 | Downtown Loop in Kansas City, Missouri | I‑29 at Iowa state line south of Hamburg, IA | 01963-01-011963 | current | ||
 I-35 |
114.448 | 184.186 | I‑35 at Kansas City, Missouri | I‑35 north of Eagleville | 01972-01-011972 | current | ||
 I-44 |
293.184 | 471.834 | I‑44 west of Joplin | I‑70 in St. Louis | 01956-01-011956 | current | ||
 I-49 |
178.717 | 287.617 | I-49 south of Pineville | I‑470 in Kansas City | 02012-12-122012[4] | current | Extended into Arkansas | |
 I-55 |
210.45 | 338.69 | I‑55 south of Steele | I‑55/I‑64 at St. Louis | 01956-01-011956 | current | ||
 I-57 |
22.056 | 35.496 | I‑55 at Sikeston | I-57 north of Charleston | — | — | Will be extended into Arkansas | |
 I-64 |
40.816 | 65.687 | I‑70 at Wentzville | I‑64 at St. Louis | 01956-01-011956 | current | ||
 I-66 |
340 | 550 | Kansas state line west of Joplin | Kentucky state line south of Cairo, IL | 01991-01-011991 | 02015-01-012015 | Proposed as part of the East–West TransAmerica Corridor in 1991 | |
 I-70 |
250.063 | 402.437 | I‑70 at Kansas City | I‑70 at St. Louis | 01956-01-011956 | current | ||
 I-72 |
2.056 | 3.309 | US 36/US 61 in Hannibal | I-72 at Hannibal | — | — | A 157-mile (253 km) extension has been proposed to Cameron | |
| ||||||||
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Auxiliary Interstates
More information Number, Length (mi) ...
| Number | Length (mi)[3] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 I-144 |
15.4 | 24.8 | I‑70 in Bridgeton | Missouri/Illinois state line | — | — | Proposal for what would become I-244. | |
 I-155 |
10.834 | 17.436 | I‑55/US 61 east of Hayti | I‑155 east of Caruthersville | — | — | ||
 I-170 |
11.255 | 18.113 | I‑64/US 40 in Richmond Heights | I‑270 in Hazelwood | — | — | ||
 I-229 |
15.022 | 24.176 | I‑29/US 71 in St. Joseph | I‑29/US 59/US 71 north of St. Joseph | 01986-01-011986 | current | ||
 I-244 |
21.047 | 33.872 | I‑55 south of Green Park | I‑70 in Bridgeton | — | — | Previous designation for part of I-270 | |
 I-255 |
3.979 | 6.404 | I‑55 south of Green Park | I‑255/US 50 at Illinois state line south of St. Louis | — | — | Missouri section of the eastern half of beltway around St. Louis | |
 I-270 |
35.497 | 57.127 | I‑55 south of Green Park | I‑270 at Illinois state line at St. Louis | — | — | Western half of beltway around St. Louis | |
 I-435 |
55.184 | 88.810 | I‑435 at Kansas City | I‑435 Kansas state line at Parkville | — | — | Missouri section of the beltway around Kansas City | |
 I-470 |
17.081 | 27.489 | I‑435/US 50/US 71 in Kansas City | I‑70 in Independence | 01970-01-011970[5] | current | ||
 I-635 |
3.766 | 6.061 | I‑635 at Kansas City | I‑29/US 71 in Kansas City | — | — | ||
 I-670 |
2.323 | 3.739 | I‑670 at Kansas City | I‑70/US 40 in Kansas City | — | — | ||
 I-755 |
4 | 6.4 | — | — | — | — | Cancelled proposed state highway/Interstate | |
| ||||||||
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Business routes
More information Number, Length (mi) ...
| Number | Length (mi)[3] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 I-29 BL |
14.063 | 22.632 | I-29 / US 169 in St. Joseph | I-29 / US 59 / US Bus. 71 in Jefferson Township | — | — | ||
 I-35 BL |
3.235 | 5.206 | I-35 / Route BB in Cameron | I-35 / US 36 / MO 110 in Cameron | — | — | ||
 I-44 BL |
11.529 | 18.554 | I-44 / MO 43 / MO 86 in Joplin | I-44 / MO 66 in Scotland | — | — | Serves Joplin | |
| I-44 BL |
4.333 | 6.973 | I-44 / MO 37 in Sarcoxie | I-44 / Old US 166 in Sarcoxie | — | — | ||
| I-44 BL |
2.736 | 4.403 | I-44 / Route H in Mount Vernon | I-44 / MO 39 in Mount Vernon | — | — | ||
| I-44 BL |
9.657 | 15.541 | I-44 / MO 266 in Springfield | I-44 / Route H in Springfield | — | — | ||
| I-44 BL |
3.668 | 5.903 | I-44 / Old US 66 in Lebanon | I-44 / Route MM in Lebanon | — | — | ||
| I-44 BL |
6.014 | 9.679 | I-44 / Route H in Waynesville | I-44 / Route Y in St. Robert | — | — | ||
 I-44 BS |
2.213 | 3.561 | I-44 / Route Y and Route Z in St. Robert | Fort Leonard Wood | — | — | ||
| I-44 BL |
2.449 | 3.941 | I-44 / Old US 66 in Rolla | I-44 / US 63 / Old US 66 in Rolla | — | — | ||
| I-44 BL |
9.026 | 14.526 | I-44 / MO 100 / Old US 66 (1926-1933) in Pacific | I-44 / Old US 66 (1933-1985) in Pacific | 01979-01-011979 | current | ||
 I-49 BL |
9.740 | 15.675 | I-49 / Route AA in Neosho | I-49 / MO 86 in Neosho | 02012-01-012012 | current | ||
| I-49 BL |
22.546 | 36.284 | I-49 / MO 175 in Tipton Ford | I-49 / MO 96 / MO 171 / MO 571 in Carthage | 02012-01-012012 | current | Serves Joplin | |
| I-49 BL |
2.927 | 4.711 | I-49 / Route K in Nevada | I-49 / US Bus 71 in Nevada | 02012-01-012012 | current | Replaces US Bus. 71 | |
| I-49 BL |
6.109 | 9.831 | I-49 / MO 52 in Butler | I-49 / Route F / Route D in Butler | 02012-01-012012 | current | Former segment of US 71 | |
 I-55 BL |
5.751 | 9.255 | I-55 / US 61 / US 62 in New Madrid | I-55 / US 61 / US 62 in New Madrid | — | — | ||
| I-55 BL |
15.705 | 25.275 | I-55 / US 61 / MO 74 in Cape Girardeau | I-55 / US 61 in Fruitland | — | — | ||
| I-55 BL |
5.015 | 8.071 | I-55 / US 67 / US 61 in Crystal City | I-55 / McNutt Street in Herculaneum | — | — | ||
 I-57 BL |
2.94 | 4.73 | I-57 / US 60 / MO 105 in Charleston | I-57 / US 62 / MO 77 in Charleston | — | — | ||
 I-70 BL |
6.665 | 10.726 | I-70 / US 40 / MO 5 in Boonville | I-70 / MO 87 in Boonville | — | — | ||
| I-70 BL |
2.878 | 4.632 | I-70 / US 40 in Columbia | I-70 / US 40 in Columbia | — | — | ||
| I-70 BL |
2.831 | 4.556 | I-70 / MO 94 in St. Charles | I-70 in St. Charles | — | — | ||
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