When driving through a sufficiently lit underpass, is it necessary to switch on any lights?
A)Yes, position lights, to alert other users of my presence.
B)No, because the road's lighting is sufficient.
C)Yes, position lights and low-beam headlights.Correct
In tunnels, underpasses and stretches of road affected by the "Tunnel" sign, whether sufficiently or insufficiently lit, in addition to position lights, motor vehicles and mopeds must have their low-beam or dipped headlights switched on.