The strada statale 310 "del Bidente" (SS 310) was an Italian state highway 89.8 kilometres (55.8 mi) long in Italy in the regions of Tuscany and Emilia-Romagna, created in 1962 and disestablished in 2000.

It began in Campaldino and ended in Ronco by Forlì, going through the Apennine Mountains between Tuscany and Emilia-Romagna.

70 in Campaldino – Pratovecchio - Stia - Passo della Calla - Santa Sofia - Galeata - Civitella di Romagna – Junction with the state road n. 9 in Ronco.

In 1998 the government decided to devolve to the Regions all the state roads that were not considered of "national importance".

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