It is an upgrade of the N-234 and will link the Autovía A-23 east of Daroca with the Autovía A-2 and Autopista AP-1 at Burgos.
The upgrade of the N-234 will link the Autovía A-23 east of Daroca with the Autovía A-2 and Autopista AP-1 in or around Burgos.