title: Strada statale 131 Carlo Felice
text: # Strada statale 131 Carlo Felice
  
  The Strada statale 131 (SS 131), is the major road in Sardinia, Italy. It is a freeway that connects the towns of Porto Torres and Cagliari via Sassari, Macomer and Oristano. At 229 km, it is considered the "spinal cord" of Sardinia. It is a part of the E25 European route.
  
  ## History
  
  Building works begun in the 19th century, under the Kingdom of Charles Felix of Sardinia, the road followed the route of the ancient Roman road Turris Lybissonis-Caralis.
  
  The infrastructure was modernized under fascism, and in the 1970s was rebuilt, becoming a Superstrada (Dual carriageway), some stretches are classified a second category extra-urban road, and the speed limit is 90 km/h, while other ones are considered first category extra-urban road with higher speed limits (110 km/h).
  
  * SS 131 Carlo Felice in Serrenti
  * SS 131 Carlo Felice in Sassari
  