The western segment of 3.71 miles (5.97 km) begins at Sims at Highway 88 and runs southeast to US Route 270 (US 270).

[2] The route begins at a junction with Arkansas Highway 88 at Sims and runs southeast to US 270.

The route begins at Arkansas Highway 27 at Story, Arkansas in Montgomery County and runs east through the Ouachita National Forest for almost its entire length.

[3] Highway 298 passes through very wooded area with sparse populations, crossing over many feeder streams for Lake Ouachita.

[4] The Saline County routing begins at Arkansas Highway 9 in unincorporated Saline County and runs southeast through Bland and Grape before terminating at Arkansas Highway 5 approximately 1 mile (1.6 km) north of Benton.