On the A24 between Roma and Teramo (in Abruzzo near the
In the Albian Hills near Roma is the town of Nemi and there is a tunnel on the road east of town that goes uphill in a 180 degree spiral coming out on a bridge above where you enter. Obviously curves and tunnels are a mix that does not daunt Italians.
Traveling through these tunnels at autostrada speeds with little space between the lane line and the tunnel wall, the overhead lights flashing by and the usual speedy Italian passing you can be a test of concentration. The light at the end of the tunnel is always a welcome sight.