The designation was also applied to a section of Roosevelt Road in Little Rock near Clinton National Airport between 1973 and 1981.

The highway runs due east as Baseline Road through a wooded area, crossing Fourche Creek.

East of I-530, Highway 338 continues through sparsely populated unincorporated area, passing the Pulaski County Special School District Central Office, to Sweet Home, where it terminates.

ArDOT estimates the traffic level for a segment of roadway for any average day of the year in these surveys.

The Dixon Road segment is sees the highest traffic volume near I-530 with 7,200 VPD, dropping in both directions.

[1] Created between Highway 5 and Sweet Home, the original routing reflects the present-day alignment.

A second segment was designated along a Little Rock city street on June 28, 1973, pursuant to Act 9 of 1973 by the Arkansas General Assembly.

[11] The entire highway is designated as a Class II bike lanes, indicating paved areas on both sides of the roadway for bicycles, delineated by pavement markings.