(a) A highway authority may designate no-passing zones on any portion of a highway under its jurisdiction if the highway authority determines passing is especially hazardous.
(b) A highway authority shall designate a no-passing zone under Subsection (1)(a) by placing appropriate traffic-control devices on the highway.
(2) A person operating a vehicle may not drive on the left side of:
(a) the roadway within the no-passing zone; or
(b) any pavement striping designed to mark the no-passing zone.