It is 157 km (98 miles) long and runs from the Autovía A-66 at León to the Autovía BU-30 at Burgos, where it connects with the Autovía A-62 and the Autovía A-1.
The route is 157 km (98 miles) long, beginning at the Autovía A-66 near León and ending at the Autovía BU-30 in Burgos. It connects with the Autovía A-62 and the Autovía A-1.