Construction and Maintenance Signs

These signs are usually orange, 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.

*The presence of one of the above three signs designates the start of the work zone. The Highway workers sign may or may not have a WORKERS PRESENT tab as illustrated. In the work zone drivers must slow to the posted speed through 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.

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

Follow detour marker until you return to regular route.

Construction work one kilometer ahead.

Pavement has been milled or grooved. Your vehicle’s stopping ability may be affected so obey the speed limit and drive with extra caution. Motorcyclists may experience reduced traction on these surfaces.

Lane ahead is closed for roadwork. Obey the speed limit and merge with traffic in the open lane.

Closed lane. Adjust speed to merge with traffic in lane indicated by arrow.

Do not pass the pilot vehicle or pace vehicle bearing this sign.

Reduce speed and be prepared to stop.

You are entering a construction zone. Drive with extra caution and be prepared for a lower speed limit.

Enforces doubling the HTA fines for speeding in a designated construction zone when there are workers present.