Arkansas Highway 312
Encyclopedia
Arkansas Highway 18 is a state highway
State highway
State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 of 20.4 miles (32.8 km) in Mississippi County.

Route description

AR 312 begins at AR 18
Arkansas Highway 18
Arkansas Highway 18 is a state highway of in Northeastern Arkansas.-Route description:AR 18 begins at AR 69 near Jacksonport. Brief concurrencies begins with AR 17 and US 67 in Newport, and Arkansas Highway 18 Spur leads to Newport Municipal Airport as AR 18 continues east. The route runs east to...

 south of Blytheville
Blytheville, Arkansas
Blytheville is the largest city in and one of the two county seats of Mississippi County, Arkansas, United States. The population was 15,620 at the 2010 census....

. The route runs east cross over I-55
Interstate 55
Interstate 55 is an Interstate Highway in the central United States. Its odd number indicates that it is a north–south Interstate Highway. I-55 goes from LaPlace, Louisiana at Interstate 10 to Chicago at U.S. Route 41 , at McCormick Place. A common nickname for the highway is "double...

, followed by a junction with US 61
U.S. Route 61
U.S. Route 61 is the official designation for a United States highway that runs from New Orleans, Louisiana, to the city of Wyoming, Minnesota. The highway generally follows the course of the Mississippi River, and is designated the Great River Road for much of its route. As of 2004, the highway's...

/AR 148
Arkansas Highway 148
-Section 1:Arkansas Highway 148 is a state highway of that runs in Mississippi County.-Route description:AR 148 begins at AR 181 and crosses over Interstate 55 as Exit 57...

. AR 148/AR 312 concur
Concurrency (road)
A concurrency, overlap, or coincidence in a road network is an instance of one physical road bearing two or more different highway, motorway, or other route numbers...

 east until AR 312 turns north with AR 239
Arkansas Highway 239
Arkansas Highway 239 is a the name of two state highways in Mississippi County.-Section 1:Arkansas Highway 239 is a state highway of in Mississippi County.-Route description:...

. These two routes cross I-55 again heading north, with AR 312 eventually turning east alone as Promise Land Road.

AR 312 crosses I-55 for a third time before briefly joining with AR 151
Arkansas Highway 151
Arkansas Highway 151 is a designation for two north–south state highways in Mississippi County, Arkansas. An eastern route of runs from Highway 148 north to Highway 18...

 heading north. The route then joins with AR 18 east, eventually turning due north to terminate at AR 150
Arkansas Highway 150
Arkansas Highway 150 is a state highway of that runs in Mississippi County.-Route description:AR 150 begins near Arkansas International Airport northwest of Blytheville and runs east across US 61 and I-55. The route continues to terminate at AR 137....

 near Number Nine.
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