State highway (Italy)
The Italian state highway network are maintained by ANAS. From 1928 until 1946 state highways were maintained by AASS.
The first 137 state highways were created in 1928 with the establishment of Azienda Autonoma delle Strade Statali (AASS).
Types of highway
Nowadays, a state highway can be classified in more types, except Type A highway, which is reserved to motorways.
Type B highway is a dual carriageway with at least two lanes for each direction, paved shoulder on the right, no cross-traffic and no at-grade intersections. In Italy are called strade extraurbane principali. Beginning of Type B highway is marked by a traffic sign.
Speed limit in Type B highways is 110 km/h (68 mph).
Type C highway is a single carriageway road. In Italy are called strade extraurbane secondarie.
Speed limit in Type C highways is 90 km/h (56 mph).
Speed limit in Type D highways is 70 km/h (43 mph).
Type E highway is a single carriageway urban road with sidewalk. In Italy are called strade urbane di quartiere.
Speed limit in Type E highways is 50 km/h (31 mph).
Type F highway is a road, which it cannot be classified as Type B, Type C, Type D and Type E. In Italy are called strade locali.
An example of Type F highway is an urban road without sidewalk.
Speed limit in Type F highways is 90 km/h (56 mph). If Type F highway is an urban road, speed limit is 50 km/h (31 mph).
Downgrading of state highways
Other Italian roads
- ANAS official site (in Italian)