The Autostrada A11 or Autostrada Firenze - Mare ("Florence-Sea Motorway") is an autostrada (Italian for "motorway") 81.7 kilometres (50.8 mi) long in Italy located in the region of Tuscany, which connects Florence to Pisa.

It is a part of the E76 European route.

The Autostrada A11 it is currently operated by Autostrade per l'Italia.

It is the busiest road in Tuscany and connects Florence to the central-northern Tyrrhenian coast, crossing the Arno river plain, the densely populated and industrialized plain of Prato and Pistoia, the Valdinievole and the plain of Lucca.

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