The driver of a vehicle shall yield the right-of-way, slowing or stopping if need be, in order to yield to a pedestrian lawfully crossing a roadway within a crosswalk when:the pedestrian is upon the half of the roadway upon which the vehicle is traveling; or the pedestrian is approaching so closely from the opposite half of the roadway as to be in danger from the vehicle. The driver of a vehicle making a right or left turn shall yield the right-of-way, slowing or stopping if need be, in order to yield to a pedestrian lawfully crossing a roadway within a crosswalk when:the pedestrian is upon the half of the roadway upon which said turning vehicle is entering, or the pedestrian is approaching so closely from the half of the roadway opposite to that upon which said turning vehicle is entering as to be in danger from the vehicle. A pedestrian shall not suddenly leave a curb or other place of safety and walk or run into the path of a vehicle which is so close that it is impossible for the driver to yield as otherwise required in this section. City Code, 1976/83, art. 31, §69(a), (c) Ord. 68-187