Traffic sign catalogue

Standard specifications and identification codes for traffic signs in Alberta.

Overview

Traffic signs serve an important function informing drivers of traffic regulations, warning about road characteristics or hazards and providing necessary information for route selection. The traffic sign catalogue classifies traffic signs respectively as: Regulatory, Warning, Guide or Information signs.

Traffic sign catalogue

The traffic sign catalogue contains the standard specifications and identification codes for traffic signs in Alberta. Signs in the traffic sign catalogue are grouped into 3 main classes of signs (Regulatory, Warning and Information) and further divided into several sub-classes.

Descriptions of each of the traffic sign classes and a link to the traffic sign catalogue for each class of sign is provided below. The sign catalogue is being reformatted starting in 2025 to include both a detailed specification sheet and a true scale drawing (without annotations) for all fixed message signs or signs with graphical elements. All typeface is specified in a ClearviewHWY font series (including positive and negative contrast) unless otherwise indicated. 

Regulatory signs (Class R)

Regulatory signs indicate traffic regulations that apply at specific times or places on roads.

Sign Class (click image to view)Description

RA

red stop road sign - octagon shape
Right-of-way control signs indicate the right-of-way for drivers on the approaches to an intersection, or for pedestrians at a crosswalk.

RB

white maximum 100 km/h speed limit road sign - rectangle shape
Road use control signs indicate the permitted or prohibited use of a road. 

RC

white stop line indication road sign - rectangle shape
Miscellaneous regulatory signs indicate regulations that are not otherwise provided for in Class R.

Warning signs (Class W)

Warning signs provide an advance indication of conditions on or adjacent to a road that are potentially hazardous to drivers.

Sign Class (click image to view)Description

WA

yellow left hand turn road sign - diamond shape
Physical conditions signs indicate features or conditions of the road itself.

WB

yellow stop sign ahead road sign - diamond shape
Traffic regulations ahead signs provide an advance warning of a traffic regulation on a road.

WC

yellow school children road sign - pentagon shape
Intermittent or moving hazard signs indicate the possibility of a situation that may require a driver response.

WD

orange construction road sign - diamond shape
Used to regulate, warn and guide drivers in work zones where construction, maintenance or utility activities or other temporary or unusual conditions are on or adjacent to the road.

Guide and information signs (Class I)

Guide and information signs indicate information for route selection, locating off-road facilities or identifying geographical features or points of interest.

Sign Class (click image to view)Description

IA

green town distance road sign - rectangle shape
Destination guide signs provide directions and distances to destinations.

IB

white highway number 5 road sign - rectangle shape
Route identification signs indicate numbers, names or other roadway designations.

IC

blue gas station ahead road sign - square shape
Off-road services signs indicate the availability of, and direction to, emergency, transportation, traveller and tourist services.

ID

white county of wetaskiwin road sign - rectangle shape
Miscellaneous information signs provide navigation and other information that is not otherwise provided for in Class I.

IF

green exit sign to the right road sign - quadrilateral shape
Freeway guide signs provide directions and guidance to exit ramps and destinations along freeways and at interchanges.

IX

black arrow pointing down
Arrows and symbols are used on various traffic signs.

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Contact

Connect with Transportation and Economic Corridors about the Traffic Sign Catalogue:

Email: [email protected]