Construction and Maintenance Signs
These signs are usually orange, and diamond-shaped with a black border and black letters or symbols. These signs warn drivers of unusual temporary road work such as construction zones and lane closures.
TRAFFIC CONTROL PERSON AHEAD* BE PREPARED TO TOP FOR INSTRUCTIONS
SURVEY CREW AHEAD*
*The presence of one of the above three signs designates the start of the work zone. The Highway worker’s sign may or may not have a WORKERS PRESENT tab as illustrated. In the work zone, drivers must slow to the posted speed throughout the entire zone and 60 km/h or less when passing a worker, flag person, or equipment occupied by a worker. Some cities have bylaws requiring drivers to obey work zone speed limits through the entire construction area. Please be familiar with the bylaws in your area.
TRUCK ENTRANCE LEFT/RIGHT
BE PREPARED TO STOP IF YOU ARE DRIVING A VEHICLE WITH A HIGH LOAD
CONSTRUCTION AHEAD THIS SIGN INDICATES YOU ARE ENTERING A CONSTRUCTION ZONE. DRIVE WITH EXTRA CAUTION AND BE PREPARED FOR CHANGES IN THE SPEED LIMIT
BE PREPARED TO STOP
PAVEMENT DROP OFF
This sign warns motorists that they are on or approaching a section of roadway where either the adjacent lane or shoulder or both are lower or higher than the motorist’s travel lane