 With flyover ramps at both intersections of SR 85 now completed, the highway has been widened into a 4-lane divided highway.SR 123 begins at an intersection with SR 85 north of Northwest Florida Regional Airport to the southwest of Niceville in Okaloosa County, heading north-northeast on two-lane undivided Roger J. Clary Highway.The road passes through forested areas on the grounds of Eglin Air Force Base, bypassing Niceville to the west.