Highway 18
Route information
Maintained by ArDOT
Length	93.43 mi[2][3][4][5] (150.36 km)
Existed	April 1, 1926[1]–present
Major junctions
West end	AR 69 in Jacksonport
Major intersections	Future I-57 / US 67 in Newport US 78 / AR 226 in Cash I-555 / US 49 / US 63 / US 78 in Jonesboro US 49 / AR 1 in Jonesboro US 78 / AR 18S in Jonesboro US 61 in Blytheville I-55 / US 78 in Blytheville
East end	CR E234 near Mississippi River
Location
Country	United States
State	Arkansas
Counties	Jackson, Poinsett, Craighead, Mississippi
Highway system
Arkansas Highway System Interstate US State Business Spurs Suffixed Scenic Heritage
← AR 17 → AR 19

Highway 18 (AR 18 and Hwy. 18) is an east–west state highway of 93.43 miles (150.36 km) in Northeast Arkansas. It has concurrency with U.S. Route 78 (US 78) much of its length.^[2][3][4][5]

Route description

AR 18 begins at AR 69 near Jacksonport. Brief concurrencies begins with AR 17 and US 67 (Future I-57) in Newport, and Arkansas Highway 18S leads to Newport Municipal Airport as AR 18 continues east. The route runs east to AR 37 in Grubbs before turning north at Uno to AR 226 in Cash. AR 18 joins AR 91 and becomes King's Highway.

AR 18/AR 91 run together with US 63 into Jonesboro. AR 18 breaks and runs as Highland Dr., meeting US 49/AR 1. Then later, it meets US 78 where it begins concurrency with. After Jonesboro, US 78/AR 18 meets AR 158 and AR 135 in Lake City. The four routes continue east to Black Oak, when US 78/AR 18 turns north. US 78/AR 18 briefly runs with AR 139 in Monette before continuing east. AR 18B is created in Manila, and US 78/AR 18 meets AR 77.

Both routes briefly meets AR 181 near Dell before turning northeast to Blytheville. US 78/AR 18 meets AR 151 and US 61 in downtown Blytheville. The route continues east to cross over Interstate 55 (exit 67) in a frontage road interchange where US 78 departs from the highway to enter I-55. AR 18 and AR 312 meet briefly south of the Blytheville Municipal Airport. The route continues to terminate at the Mississippi River at the Tennessee state line.

Major intersections

Mile markers reset at some concurrencies.

County	Location	mi	km	Destinations	Notes
Jackson	​	0.000	0.000	AR 69 – Newport, Newark
	Diaz	0.931	1.498	AR 17 north	West end of AR 17 overlap
				AR 157 north – Campbell Station
		0.000	0.000	AR 17 north / CR 289 (Main Street) – Newport	East end of AR 17 overlap
	Newport–Diaz line			AR 367 – Hoxie, Walnut Ridge, Newport
				Future I-57 / US 67 – Jonesboro, Bald Knob, Little Rock	US 67 exit 85
				AR 267 south (Commerce Boulevard)
	Newport			AR 980 east – Airport, Arkansas State University-Newport
	​			AR 18S west – Newport Airport, Arkansas State University-Newport
	​			AR 384 west / CR 38 – Stegall
	Grubbs			AR 37 north – Tuckerman	West end of AR 37 overlap
	​			AR 37 south to AR 14	East end of AR 37 overlap
Poinsett	Uno			AR 214 east to US 49 – Bayou DeView WMA
Craighead	Cash			US 78 / AR 226 to US 67 – Jonesboro
	Three Way	30.582	49.217	AR 91 north	West end of AR 91 overlap
	Herman			AR 349 south – Gibson
	Jonesboro			I-555 north / US 63 north / AR 91 south – Walnut Ridge, Hoxie, Hardy	East end of AR 91 overlap; west end of I-555/US 63 overlap; AR 18 west follows exit 49
				Washington Avenue	I-555/US 63 exit 47
				AR 226 west (Wood Springs Road) / Strawfloor Road	I-555/US 63 exit 46
		0.000	0.000	I-555 south / US 49 / US 63 south / US 78 (Southwest Drive) – Memphis, Waldenburg, Brinkley, Craighead Forest Park	East end of I-555/US 63 overlap; US 49/US 78 enters the freeway southbound; AR 18 east follows exit 45
				Crowley's Ridge Pkwy. (South Main Street) – Business District	Former US 49B north; west end of CRP overlap
				AR 1B south / Crowley's Ridge Pkwy. (Harrisburg Road) to US 63	East end of CRP overlap
				South Caraway Road	Former AR 173
				US 49 / AR 1 (Red Wolf Boulevard)
				AR 463 south (East Nettleton Avenue) to I-555 / US 63
				AR 351 south (Industrial Drive)
				US 78 west / AR 18S west (Dr. Martin Luther King Jr. Drive) to US 49 south / I-555 / US 63	West end of US 78 overlap; eastern terminus of AR 18 Spur
	Lake City			AR 158 west – Lunsford
				AR 135 north – Paragould	West end of AR 135 overlap
	Black Oak			AR 135 south – Caraway, Lepanto	East end of AR 135 overlap
	Monette			AR 139 north (Edmonds Street)	West end of AR 139 overlap
				AR 139 south – Caraway	East end of AR 139 overlap
Mississippi	Leachville			AR 119 north to AR 77 – Leachville
	Manila			AR 18B east (Lake Street) – Manila Business District
		35.096	56.482	AR 77 north – Leachville	West end of AR 77 overlap
				AR 77 south – Athelstan	East end of AR 77 overlap
				AR 18B west (Baltimore Street) – Manila Business District
	​			AR 181 south – Victoria
	Dell			AR 181 north – Dell Business District
	​			AR 312 east
	​			AR 239 north – Half Moon
	Blytheville			AR 151 north – Gosnell	Southern terminus of northern segment of AR 151
		53.160	85.553	US 61 (Division Street) to West Main Street / I-55 – Blytheville Business District
				AR 239 south (Ruddle Street)
		55.730	89.689	I-55 / US 78 east – St. Louis, Memphis	I-55 exit 67; east end of US 78 overlap
				AR 151 south (South Promise Land Road)	Northern terminus of southern segment of AR 151
				AR 980 – Airport
	​			AR 312 east – Number Nine
	​			AR 137S north – Armorel
	Barfield	62.249	100.180	CR E234	End State Maintenance
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

History

Highway 18 was created during the 1926 Arkansas state highway numbering from Diaz to Barfield similar to the present-day alignment.^[1] The designation was shifted onto Nettleton Cut-Off Road in Jonesboro on March 9, 1955.^[6] The highway was rerouted between Leachville and Manilla on July 10, 1957, with Highway 18 taking over the former alignment of Highway 18 Spur.^[7] It was extended to Barfield Landing on April 24, 1963, as part of a major expansion of the state highway system.^[8] The western terminus was extended west to Highway 69 in Jacksonport on November 23, 1966.^[9]

Auxiliary routes