Red is used exclusively for regulatory road signs prohibiting ... you about something on your route ahead. Orange road signs indicate temporary traffic control, usually in connection to construction.

Question: I know you’ve wrote about regulatory and warning type signs before ... If you have any questions concerning traffic-related laws or issues in Minnesota, send your questions to Trp.

traffic controllers, pedestrian countdown timers, electronic road signs, emergency telephones and road lighting products and also supplies a range of directional and regulatory traffic signs and ...