Length of road network in Italy 2017, by road type

As of 2017, there were 21,686 kilometers of 'main or national roads' in Italy. Overall, the Italian national motorway system counted almost 6,943 kilometers of length, whereas the 'secondary' or 'regional road' network accounted for approximately 155 thousand kilometers.

The network

One of the longest motorways in Italy was the A1 connecting Milan to Naples (803.5 km), followed by the A14 Bologna-Taranto (781.4 km), and lastly the A22 connecting the Brenner pass to Modena (314 km). Concerning the Alpine tunnels , the Italian motorway system counts three major tunnels. The longest is the Fréjus tunnel (12.8km), followed by the Mont Blanc and St. Bernardo tunnels.  

Security first

Security and information devices seem to play an important role when it comes to mobility on highways. According to the data, the number of motorways video cameras increased from 7,269 to 8,858 from 2015 to 2018. Additionally, the number of ice detectors increased from 402 to 424 over the same period. Lastly, weather stations increased too, reaching 611 units in 2018.

Length of the road network in Italy in 2017, by road type

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Release date

October 2019



Survey time period


Supplementary notes

* 'Other roads' may include roads without a hard surface.

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