The highway is maintained by the Arizona Department of Transportation (ADOT), which is responsible for maintaining highways in the state, including SR 88. As part of this role, ADOT periodically surveys traffic along its routes. These surveys are presented in the form of average annual daily traffic, which is the number of vehicles who use the route on any average day during the year. In 2009, ADOT calculated that around as few as 400 vehicles used the route daily near the Roosevelt Dam and as many as 16,000 daily at the US 60 interchange in Apache Junction. The section east of Canyon Lake is part of the Apache Trail National Forest Scenic Byway system. No part of the highway has been listed in the National Highway System, a system of roads in the United States important to the nation's economy, defense, and mobility. Part of SR 88, known as the Apache Trail Historic Road, is one of only four state designated Historic Roads under the Arizona Parkways, Historic and Scenic Roads program.