Notwithstanding the foregoing provisions, every driver of a vehicle shall exercise the highest degree of care to avoid colliding with any pedestrian upon any roadway and shall give warning by sounding the horn when necessary and shall exercise proper precaution upon observing any child or confused or incapacitated person upon a roadway.

(Code 1964, § 12.465)

     State law reference(s)--Similar provisions, RSMo. § 300.410.