The route began at the Bentonville Municipal Airport and runs west to terminate at US 71B (Walton Blvd).

[3] A 2010 study of average daily traffic determined that Highway 204 served 3000 vehicles per day.

[1] A spur route was created north of Siloam Springs to an industrial facility on April 24, 1974.

[5] On March 25, 1975, a second section between US 71 and the Bentonville Airport was added to the state highway system.

204S, and Lincoln Street) was a 0.75-mile-long (1.21 km) roadway just north of Siloam Springs.