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Route 43
Route information
Maintained by MoDOT
Length	98.380 mi (158.327 km)
Major junctions
South end	AR 43 / SH-20 at the Arkansas/Oklahoma state line
Major intersections	US 60 in Seneca I-44 in Joplin US 160 near Mindenmines
North end	US 54 in Vernon County
Location
Country	United States
State	Missouri
Highway system
Missouri State Highway System Interstate US State Supplemental
← Route 42 → I-44

Route 43 is a highway in western Missouri. Its northern terminus is at U.S. Route 54 midway between Nevada and Deerfield. Its southern terminus is at the corner of Missouri (near Southwest City), Arkansas, and Oklahoma where it continues down the Arkansas/Oklahoma state line as both Arkansas Highway 43 and OK-20.

Route description

North of Joplin, Route 43 is a relatively straight highway. It intersects U.S. Route 160 in Barton County west of Lamar. A few miles south of there it intersects Route 126. Just north of Joplin, it intersects Route 96.

In Joplin, the highway is known as Main Street and passes through the old historic downtown area. For a few blocks, it is historic US Route 66 until it reaches Seventh Street (Route 66), where Route 66 goes west. It joins Business Loop I-44 until it reaches Interstate 44, then joins this road for one exit west, then turns south again.

When Route 43 reaches Seneca (where it has a junction with U.S. Route 60), it comes within a half mile of Oklahoma and stays relatively close to it all the way to the intersection with Route 76 east of Tiff City. All through this area, the highway becomes more hilly and curvy. The road serves as the western terminus of Route 90 just before reaching Southwest City. South of Southwest City, the highway runs less than a mile before reaching the corner of Missouri, Arkansas, and Oklahoma becoming the concurrency of Arkansas Highway 43 and OK-20. A stone marker is erected at the corner of the three states.

Major intersections

County	Location	mi	km	Destinations	Notes
OKARMO Corner		0.000	0.000	AR 43 south / SH-20 west	Continuation into Arkansas and Oklahoma
McDonald	Prairie Township	3.169	5.100	Route 90 east – Noel
	McMillen Tiff Township	11.719	18.860	Route 76 east – Anderson	Southern end of Route 76 overlap
		14.462	23.274	Route 76 west – Tiff City	Northern end of Route 76 overlap
Newton	Seneca	25.641	41.265	US 60 – Wyandotte, Neosho US 60 Bus. begins	Roundabout; southern end of US 60 Business overlap
		26.519	42.678	US 60 Bus. west – Wyandotte	Northern end of US 60 Business overlap
	Joplin	39.451	63.490	I-44 west – Tulsa	Southern end of I-44 overlap; exit 4
		41.931	67.481	I-44 east – Springfield I-44 BL begins / Route 86 east (Hearnes Boulevard)	Northern end of I-44 overlap; southern end of Loop 44 overlap; exit 6
Jasper		45.274	72.861	I-44 BL / Route 66 (7th Street)	Northern end of Loop 44 overlap
		47.349	76.201	Zora Street	Interchange
	Airport Drive	49.377	79.465	Route 171 (DeMott Drive)	Roundabout
	Twin Groves–Mineral township line	53.364	85.881	Route 96 to Route 171 – Carthage	Roundabout
Barton	Nashville Township	67.796	109.107	Route 126 – Pittsburg, Golden City
	Central Township	74.161	119.351	US 160 – Mindenmines, Lamar
Vernon	Deerfield Township	98.380	158.327	US 54 – Nevada, Deerfield
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

Related route

Seneca truck route

Route 43 Truck is used to bypass a steep grade on Route 43 just south of Seneca, Missouri. This route is unsigned and concourrs with US 60 Bus.

References

1. ^ Missouri Department of Transportation (December 27, 2020). MoDOT HPMAPS (Map). Missouri Department of Transportation. Retrieved December 27, 2020.
2. Missouri Atlas & Gazetteer, DeLorme, 1998, First edition, pp. 42, 50, and 60, ISBN 0-89933-224-2

• State highways in Missouri
• Transportation in Barton County, Missouri