A road vehicle (1) comprising a vehicle dashboard (4), comprising in turn an exposed surface (9) visible from within the passenger compartment (3); a content display device (5) comprising a projection device (10) which can be rolled up and unrolled, provided with a foldable screen (11); the projection device (10) further comprising a support structure (14) on which the rear main surface (12) of the foldable screen (11) is mounted; the support structure (14) being rollable and unreliable around a winding axis (A), arranged within the vehicle dashboard (4); the vehicle dashboard (4) further comprising a slit (15) on the exposed surface (9) and configured to be traversed by the foldable screen (11) and by the support structure (14) during the rolling up and/or unrolling of the projection device (10).