It connects Jaén with Albacete where it joins the Autovía A-30.
The road heads east to Linares through olive covered hills.
After 31 km the road reaches Úbeda with a junction with the Autovía A-316.
Thereafter the road heads north east to Vilanueva and the Santuario de Notra Sant de la Fuensanta.
The road heads north east across the Rio Jucar and then the Rio Cabriol before passing over the southern slopes of the Sierra Martés before meeting the N-330 and Autovía A-3.