(B) Vehicular traffic facing a steady CIRCULAR RED signal may cautiously enter the intersection to make a right turn after stopping as provided in subparagraph (A) of this paragraph. Such vehicular traffic shall stop and remain stopped to allow a pedestrian to cross the roadway within a crosswalk when the pedestrian is upon the half of the roadway upon which the vehicle is traveling, or when the pedestrian is approaching and is within one lane of the half of the roadway on which the vehicle is traveling or onto which it is turning. For the purposes of this subparagraph, "half of the roadway" means all traffic lanes carrying traffic in one direction of travel. Vehicular traffic shall yield the right of way to other traffic lawfully using the intersection;