U.S. Route 50 in Missouri

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U.S. Route 50 marker

U.S. Route 50
Route information
Maintained by MoDOT
Length: 263.58 mi[1] (424.19 km)
Existed: 1926 – present
Major junctions
West end: I-435 / US-50 in Leawood, KS
  I-49 / US 71 / I-470 in Kansas City
I-470 / Route 350 in Lees Summit
US 65 in Sedalia
US 54 / US 63 in Jefferson City
I-44 from Union to Kirkwood
I-270 in Sunset Hills
US 61 / US 67 in Kirkwood
I-255 near St. Louis
East end: I-255 / US 50 towards Columbia, IL
Highway system
Route 49 Route 51

U.S. Route 50 (US 50) is a major east–west route in the state of Missouri. It is also known as the Rex M. Whitton Expressway in the capital of Missouri.

Route description[edit]

US 50 enters Missouri from Kansas along Interstate 435 around Kansas City and then it runs concurrently with Interstate 470 to Lee's Summit. It then runs as an expressway to Sedalia before becoming Broadway Boulevard and intersecting with U.S. Route 65 (Limit Avenue). From Sedalia to California, US 50 becomes a 2-lane undivided road, where it has a concurrency with Highway 5 from Syracuse to Tipton between Morgan and Moniteau Counties. It then resumes as an expressway from California to Jefferson City, and then stops for a very brief moment as a main road, and then picks up its expressway status. It has a 15-mile-long concurrency with US 63 for 12 miles (19 km) from Jefferson City. From just west of Linn to Union, the road is 2 lanes. After passing through Linn as Main Street, it shares short concurrencies with Highways 89 and 19 between Osage and Gasconade Counties and intersects with Highway 47 in Union. After going through this city, U.S. 50 is routed along Interstate 44 up to Sunset Hills and then it heads east and merges with U.S. Routes 61 and 67. These three concurrent U.S. routes stay this way until after the interchange with Interstate 55. Then U.S. Highways 61 and 67 split off, leaving U.S. 50 to merge with Interstate 255 to cross the Mississippi River on the Jefferson Barracks Bridge in St. Louis.

History[edit]

Until 1926, US 50 in Missouri was Route 12.[2]

Major junctions[edit]

County Location mi[3] km Exit Destinations Notes
MissouriKansas line 0.000 0.000 I-435 / US-50 west – Wichita Continuation into Kansas
75B State Line Road Exit numbers follow I-435
Jackson Kansas City 0.661 1.064 75A Wornall Road
1.416 2.279 74 Holmes Road
2.247 3.616 73 103rd Street Westbound exit and eastbound entrance
3.569–
4.748
5.744–
7.641
I-470 begin / I-435 north – Des Moines Eastern end of I-435 overlap; left exits and entrances; westbound access via exit 1; western end of I-470 overlap; I-435 exit 71A
1 I-435 north / I-49 south / US 71 / Red Bridge Road / Longview Road – Joplin, Kansas City, Des Moines Exit numbers follow I-470; I-435 not signed eastbound; Red Bridge Rd./Longview Rd. not signed westbound; eastbound access to US 71 north via I-435 north
5.652 9.096 2 Blue Ridge Boulevard
7.645 12.303 4 Raytown Road
Kansas CityLee's Summit line 8.923 14.360 5 View High Drive Road is in Lee's Summit, but western ramps are partially located in Kansas City
Lee's Summit 10.206 16.425 I-470 east – St. Louis, Lee's Summit Eastern end of I-470 overlap; eastbound left exit and westbound left entrance; I-470 exit 7A
10.637 17.119 7C Pryor Road / Blue Parkway Eastbound exit and westbound entrance
I-470 east / Route 350 west – St. Louis Westbound exits and eastbound entrances; left exit and entrance to Route 350; I-470 exit 7A
11.634 18.723 Chipman Road
12.816 20.625 SW 3rd Street
13.893 22.359 Route 291 south – Harrisonville Western end of Route 291 overlap; proposed future diverging diamond roundabout interchange converted from the existing diamond interchange
14.652 23.580 Route 291 north Eastern end of Route 291 overlap
15.903 25.593 Route RA
Blackwell Road Proposed interchange to open in 2017
East end of freeway section
20.096 32.341 Route 7 Interchange
Lone Jack 25.361 40.815 Route 150 – Lone Jack Interchange
Johnson Pittsville 35.618 57.322 Route 131
45.893 73.858 Route 58
Warrensburg 50.317 80.977
US 50 Bus. east (W. Young Street)
Western terminus of US 50 Bus.
51.438 82.781
Route 13 Bus. (N. Maguire Street)
Interchange
52.618 84.680
US 50 Bus. west (E. Young Street)
Half-diamond interchange; eastern terminus of US 50 Bus.
54.170 87.178 Route 13 Interchange
Knob Noster 60.792 97.835
US 50 Bus. east / Route 23
Interchange; western terminus of US 50 Bus.
62.547 100.660
US 50 Bus. west
Eastern terminus of US 50 Bus.
Pettis La Monte 68.284 109.892 Route 127
Sedalia 79.031 127.188 US 65 (Limit Avenue) – Marshall, Warsaw
79.031 127.188
US 50 Spur / Route W south – Smithton
Northern terminus of US 50 Spur
88.752 142.832 Route 135 north Western end of Route 135 overlap
Morgan 91.102 146.614 Route 135 south Eastern end of Route 135 overlap
Syracuse 100.849 162.301 Route 5 north – Boonville Western end of Route 5 overlap
Moniteau Tipton 105.316 169.490 Route 5 south / Route B north – Versailles Eastern end of Route 5 overlap
114.521 184.304
US 50 Bus. east (West Buchanan Street)
Western terminus of US 50 Bus.
California 117.673 189.376 Route 87 (Oak Street) – Eldon, Jamestown Interchange
119.093 191.662
US 50 Bus. west
Eastern terminus of US 50 Bus.
Cole St. Martins 130.234 209.591 Kaylor Bridge Road At-grade intersection; west end of freeway
131.860 212.208 Route D / Route T
133.983 215.625 Big Horn Drive
134.601 216.619 Kaylor Bridge Road Westbound exit and eastbound entrance
Jefferson City 135.937 218.769 W. Truman Boulevard
137.350 221.043
Route 179 (Commerce Drive) to US 50 Bus. (Missouri Blvd) – Jamestown
Western terminus of US 50 Bus.
138.956 223.628 Dix Road
139.954–
140.165
225.234–
225.574
US 63 north / US 54 – Columbia, Fulton, Lake of the Ozarks Western end of US 63 overlap; no westbound access to US 54 west
140.242 225.698
US 50 Bus. west (Missouri Boulevard) to US 54 west
At-grade intersection; east end of freeway; eastern terminus of US 50 Bus.
Monroe Street At-grade intersection; west end of freeway
Lafayette Street
141.762 228.144 Clark Avenue
142.915 229.999 Eastland Drive
144.557 232.642 E. McCarty Street
147.077 236.697 Militia Drive
Schubert 148.887 239.610 Route J east / Route M west – Taos, Osage City
Osage 152.214 244.965 US 63 – Rolla Eastern end of US 63 overlap; east end of freeway
Loose Creek 153.614 247.218
US 50 Byp. east
Partial interchange; no eastbound entrance; western terminus of US 50 Byp.; connector road between US 50 eastbound and US 50 Byp. is Route A

US 50 Byp. west
Eastern terminus of US 50 Byp.
Linn 160.352 258.062 Route 100 east – Chamois
162.196 261.029 Route 89 south – Belle Western end of Route 89 overlap
165.540 266.411 Route 89 north – Chamois Eastern end of Route 89 overlap
164.528 264.782
Route 89 Spur north
Gasconade Drake 185.294 298.202 Route 19 north – Hermann Western end of Route 19 overlap
185.887 299.156 Route 19 south – Owensville Eastern end of Route 19 overlap
Rosebud 192.166 309.261 Route 28 west – Owensville
Franklin Beaufort 205.555 330.809 Route 185
Union 217.009 349.242 Route 47 north – Washington Western end of Route 47 overlap
217.459 349.966 Route 47 south – St. Clair Eastern end of Route 47 overlap
221.974–
222.565
357.233–
358.184
I-44 west – St. Clair, Springfield Western end of I-44 overlap; I-44 west exit 247
221.974–
222.565
357.233–
358.184
247 Route O to Route AT / US 50 west – Union, Jefferson City Exit numbers follow I-44; eastbound exit only; provides travelers from I-44 EB with access to US 50 WB
226.398 364.352 251 Route 100 west – Washington Former US 66
228.202 367.256 253 BL I-44 east / Route 100 – Gray Summit
Pacific 231.670 372.837 256 BL I-44 – Pacific Signed as exit 257 westbound
St. Louis Eureka 236.418 380.478 261 BL I-44 west / Six Flags Road – Six Flags
239.372 385.232 264 Route 109 – Eureka
240.059–
240.291
386.338–
386.711
265 Williams Road Eastbound exit and entrance
241.470 388.608 266 Lewis Road
243.701 392.199 269 Beaumont Antire Road
247.291–
247.304
397.976–
397.997
272 Route 141 – Fenton, Valley Park
Fenton 248.757 400.336 274A Bowles Avenue Signed as exit 274 westbound
249.577 401.655 274B Mraz Lane Eastbound exit and westbound entrance
250.454 403.067 275 North Highway Drive, Soccer Park Road Westbound exit and eastbound entrance
Sunset Hills 251.198–
251.213
404.264–
404.288
276 I-270 – Memphis, Chicago
251.757 405.164 277A Route 366 east (Watson Road) Eastbound exit and westbound entrance; former US 66
Sunset HillsKirkwood line 252.520 406.392 I-44 east / US 61 / US 67 north (Kirkwood Road) Eastern end of I-44 overlap; western end of US 61/US 67 overlap; I-44 exit 277B
Sunset Hills 252.739–
252.748
406.744–
406.758
Route 366 (Watson Road) Interchange
Sappington 254.835 410.117 Route 30
Green Park 256.644 413.028 Route 21
Green ParkMehlville line 258.091–
258.105
415.357–
415.380
I-55 to I-255 east / I-270 west – St. Louis SPUI; I-55 exit 197
Mehlville 258.756 416.427 US 61 / US 67 south (Lemay Ferry Road south) / Route 267 north (Lemay Ferry Road north) Eastern end of US 61/US 67 overlap
259.110 416.997 I-255 west Western end of I-255 overlap; westbound left exit and eastbound left entrance; I-255 exit 1C
260.349 418.991 2 Route 231 (Telegraph Road) Exit numbers follow I-255
261.382 420.654 3 Koch Road
Mississippi River 261.382–
261.946
420.654–
421.561
Jefferson Barracks Bridge
I-255 north / US 50 east Continuation into Illinois
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ Federal Highway Administration, National Highway Planning Network GIS data version 2005.08
  2. ^ Missouri State Highway Commission, Route Map Showing Designated Routes and Numbers, Approved September 19, 1922
  3. ^ Missouri Department of Transportation (June 17, 2015). Flex Map Viewer (Map). Missouri Department of Transportation. Retrieved June 17, 2015. 


U.S. Route 50
Previous state:
Kansas
Missouri Next state:
Illinois