Regulatory-RA, RB, RC
Regulatory traffic signs indicate traffic rules that apply at a specific time and place on a road. Disregard of regulatory signage constitutes a violation of the highway traffic act.
RA: Right-of-way control signs indicate the right-of-way for drivers on the approach to an intersection, or for pedestrians at a crosswalk.
RB: Road use control signs indicate the permitted or prohibited
use of a road. The cub-class includes signs relating to the control of
speed, turns, direction of travel, passing, traffic lane usage, vehicle
weights and dimensions, parking and other uses.
RC: Miscellaneous regulatory signs indicate regulations that are not otherwise provided for in Class R