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