Interstate 155 (Missouri-Tennessee)

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Interstate 155
Auxiliary route of the Interstate Highway System

Length:

26.77 mi^[1] (43.08 km)

Formed:

1964 (1980)

West end:

I-55 / US 61 / US 412 near Hayti, MO

East end:

US-51 / US-412 / SR-20 at Dyersburg, TN

Interstate 155 (abbreviated I-155) is an east-west spur beginning in far southeast Missouri. The western terminus is south of Hayti, Missouri at Interstate 55, exit 17. The route proceeds east to the Tennessee border, where it crosses over the Mississippi River. Interstate 155 continues east towards Dyersburg, Tennessee before terminating at U.S. Highway 51, where U.S. Highway 412 continues its route south towards Jackson, Tennessee.

U.S. 412 overlaps the entire length of Interstate 155.

Proposed Interstate 69 will intersect I-155 northwest of Dyersburg and replace the remainder of I-155 east of that point, reducing the length of I-155 by approximately 8 miles.[1]

I-155 was once planned as Interstate 24W, and would have continued from Dyersburg southeast to Jackson, Tennessee;^[2] a similar route was built as a four-lane expressway (with interchanges at most of the major intersections) in the 1990s and signed as part of U.S. 412.

Major cities Bolded cities are officially-designated control cities for signs
St. Louis, Missouri Hayti, Missouri Caruthersville, Missouri Dyersburg, Tennessee

Exit list

County	Location	#	Destinations	Notes
Pemiscot			US 412 west – Kennett	Westbound exit and eastbound entrance
		1	I-55 / US 61 - Memphis, St. Louis	Signed as exits 1A (south) and 1B (north)
		4	Route U – Caruthersville
	Caruthersville	6	Route 84 / Route Y – Caruthersville
Caruthersville Bridge over the Mississippi River
Dyer		2	SR-181 (Great River Road)
		7	SR-182 (Lenox Road)
	Dyersburg	13	SR-78 – Dyersburg, Tiptonville
		15	US-51 south / US-412 east – Dyersburg, Jackson
			US-51 north – Union City	Eastbound exit and westbound entrance