State road 671

Machine-translated from the Italian article

State Road 671 of the Val Seriana (SS 671), until 2021 Provincial Road, former State Road 671 of the Val Seriana (SP ex SS 671), is an Italian state road running through the valley of the same name. The designation Provincial Road, former State Road 671 of the Val Seriana (SP ex SS 671) remains in use to identify the so-called route of the Bergamo Interurban Axis, otherwise known as "SP BG SS 671 Asse Interurbano". From the start in the municipality of Treviolo, at the intersection with the former State Road 470 dir of the Val Brembana (today State Road 470 of the Val Brembana), as far as Seriate, in the locality of Cassinone, it has the characteristics of a major communication road with two lanes per direction and a central median.