Three auxiliary routes of Arkansas Highway 18 exist in Northeast Arkansas, with one former alignment.

Newport spur

Arkansas Highway 18 Spur is a spur route that runs to Newport Municipal Airport. The route is in length, and two-lane, undivided. ;Major intersections

Jonesboro spur

Arkansas Highway 18 Spur is a spur route in Jonesboro known as Commerce Drive. The route is in length, connecting Highway 18 to I-555. Commerce Drive is two-lane undivided. ;Major intersections

Manila business route

Highway 18 Business (AR 18B, Ark. 18B, Hwy. 18B, and Lake Street) is a business route in the small town of

Manila Manila ( , ; fil, Maynila, ), officially the City of Manila ( fil, Lungsod ng Maynila, ), is the capital of the Philippines, and its second-most populous city. It is highly urbanized and, as of 2019, was the world's most densely populate ...

. It connects AR 18 to AR 77 (Beauchamp Street). ;History The

Arkansas State Highway Commission The Arkansas Department of Transportation (ArDOT), formerly the Arkansas Highway and Transportation Department, is a government department in the U.S. state of Arkansas. Its mission is to provide a safe, efficient, aesthetically pleasing and e ...

created AR 18B on March 7, 1962 from a former alignment of AR 77 through downtown Manila. It was extended along another former alignment of AR 77 on June 23, 1965, now running along Baltimore Avenue and Lake Street. ;Major intersections

Mississippi County spur route

Arkansas Highway 18 Spur is a former spur route between Leachville and Manilla in Mississippi County, Arkansas. ;Major intersections

References

Works cited

* {{cite web , url=https://www.ardot.gov/wp-content/uploads/2020/10/Mo53-69.pdf , format= PDF , title= Minutes of the Meeting of the Arkansas State Highway Commission , date= 1953–1969 , publisher=Arkansas State Highway Commission , location=Little Rock , accessdate= November 27, 2022 , oclc= 21798861 , page=2255 , ref={{harvid, "Minutes", 1953–69 018 Transportation in Craighead County, Arkansas Transportation in Jackson County, Arkansas Transportation in Mississippi County, Arkansas