Valley. The highway also picks up the Historic US 89A designation on the south end of Jerome. Officially named the Jerome-Clarkdale-Cottonwood Historic Road by the Arizona Department of Transportation, Historic US 89A is one of only four state designated historic routes in Arizona, the others being Historic Route 66, Historic U.S. Route 80 and the Apache Trail Historic Road. The historic route was designated on May 13, 1992 by ADOT and is about 10 miles long. After SR 89A and Historic US 89A enter the town of Clarkdale, SR 89A turns southeast at a roundabout with Clarkdale Parkway. The route continues toward the southeast through Clarkdale before entering the town of Cottonwood. There, the highway starts heading east at Cottonwood Street before reaching an intersection with Main Street. Historic US 89A, runs through the old downtown areas of both Clarkdale and Cottonwood. From the present day traffic circle between SR 89A and Clarkdale Parkway, Historic 89A continues north along Clarkdale Parkway, turning right at Main Street in Clarkdale, and then right again at Broadway. It continues past Tuzigoot National Monument, becoming Main Street in Cottonwood, and providing access to Dead Horse Ranch State Park. The route intersects Cottonwood Street, where the bypass route now intersects Main Street. Following the intersection with Cottonwood Street, the road follows Main Street to an intersection with SR 260, which heads to the south toward Camp Verde and I-17. SR 89A then moves northeastward towards Sedona. As the highway leaves Cottonwood, it again becomes a divided highway north of Rocking Chair Road, heading into desert. Before reaching Sedona, SR 89A provides access to Red Rock State Park. The route remains a divided highway until it reaches Sedona, an arts and resort community known for its red sandstone formations. As it enters the city of Sedona, the route is known as the Si Birch Memorial Highway. The route continues east through Sedona, providing access to the Sedona Airport. SR 89A continues toward the east through Sedona to an intersection with SR 179, which heads south from this intersection through the southern part of Sedona to provide access to I-17. Sedona to Flagstaff Upon leaving Sedona, SR 89A becomes the state designated Sedona–Oak Creek Canyon Scenic Road. The highway heads northeast into a wooded area from Sedona and follows Oak Creek as it enters Oak Creek Canyon. SR 89A then curves to the north as it follows