Autopista B-23

The Autopista B-23 or Accés a Barcelona centre is a Spanish motorway that goes from Avinguda Diagonal, in Barcelona City, with the AP-7. It is located in Catalonia and has a length of 15.5 kilometres (9.6 mi).^[1] It is part of the European route E90.

Autovía B-23
Accés a Barcelona centre
Route information
Part of E90
Maintained by Ministerio de Fomento
Length	15.5 km (9.6 mi)
Major junctions
From	Avinguda Diagonal, Barcelona
To	Autopista AP-7
Location
Country	Spain
Autonomous community	Catalonia
Province	Barcelona
Highway system
Highways in Spain Autopistas and autovías National Roads Primary Highways in Catalonia

The autopista starts in the Avinguda Diagonal, at Les Corts district. Then it continues crossing the towns of Esplugues de Llobregat, Sant Just Desvern, Sant Joan Despí and Sant Feliú de Llobregat. Then it continues parallel to Llobregat River and A-2, and surrounds Molins de Rei and El Papiol before joining to AP-.