No person shall operate a motor vehicle or a motorcycle upon
a public highway at such a speed as to endanger the life, limb, or
property of any person, nor at a rate of speed greater than will permit
such person to bring the vehicle to a stop without injury to another
or his property.
A. No person shall operate a motor vehicle or a motorcycle upon a roadway
in excess of the posted speed limit.
B. No person shall operate a motor vehicle or a motorcycle upon a roadway
in excess of 10 miles per hour above the posted speed limit.
C. No person shall operate a motor vehicle or a motorcycle upon a roadway
in excess of 20 miles per hour above the posted speed limit.
When stop signs are near the entrance to any intersection, every
driver of a vehicle shall stop such vehicle at such sign or at a clearly
marked stop line before entering the intersection, except when directed
to proceed by a police officer or traffic-control signal, and then
proceed with caution.