This sign indicates the location of…
A)a tunnel on a motorway or dual carriageway, with an established maximum speed and safety distance.
B)an overpass or bridge, with indications on the speed limit.
C)a tunnel on a conventional or multi-lane road, including the specific traffic obligations within it.Correct
The sign indicates the location of a tunnel on conventional or multi-lane roads, and provides information on the specific traffic obligations within the tunnel, such as the maximum speed and the safety distance established therein.