Traffic Work Zone Definitions

Average Summer Daily Traffic (Traffic volume for an ASDT shall include traffic travelling in both directions at a given point.)

The area from the end of the transition area to the actual work space.

The border area starting at the edge of the travel lane that should be clear of hazards and available for use by errant vehicles.

The original highway speed.

Urban highways on which the gazetted speed is greater than 60 km/hour and the ASDT exceeds 10,000 vehicles per day.

Projects such as the construction of a new roadway or bridge, the reconstruction or resurfacing of an existing roadway and other similar types of work which last longer than a single day.

Urban highways on which the gazetted speed is 60 km/hour or less and the ASDT is 10,000 vehicles or less per day.

Work Zones that involve work that is performed while moving continuously, usually at low speeds, or intermittently, with periodic stops which do not exceed a few minutes in duration

Any highway under the jurisdiction of applicable Provincial Transportation located outside the corporate boundaries of an urban municipality.

Projects which involve activities for which the traffic disruption lasts no more than a single day and is not undertaken during hours of darkness.

Temporary signing, traffic control signals, arrow boards, pavement markings, delineators, message boards, etc., used for traffic accommodation in the Work Zone.

Any highway under the jurisdiction of Provincial Transportation located within the corporate boundaries of a municipality.

The person(s) installing, adjusting, maintaining or relocating a utility within the highway right-of-way.

The area or location of the actual traffic disruption or hazard. There may be several Work Areas within the Work Zone.

The area extending from the first advance warning sign to the last construction sign.

FIND CONSTRUCTION & WORK ZONE SIGNS

FIND TRAFFIC CONTROL DEVICES & SUPPLIES