Purpose:
Advance Warning Area begins at the first advance warning sign used to inform drivers to expect the road to narrow to the left ahead. The advance warning may be a single sign or a series of signs beginning up to several kilometres before the Approach Area signing.
Sign Contains:
Roadway Narrows Symbol
Made in Alberta
| Dimensions | |
| Millimeters | 750 x 750 --or-- 900 x 900 |
| Centimeters | 75 x 75 --or--90 x 90 |
| Inches | 30 x 30 --or-- 36 x 36 |
| Compliance | |
| Province(s) | Alberta, Canada |
| Sheeting | 3M™ Fluorescent Orange Prismatic Work Zone Sheeting 3924S (HIP) --or-- 3M™ Diamond Grade Cubed (DG³) Fluorescent Orange 4084 |
| Specifications | |
| Background Color | Fluorescent Work Zone Orange |
| Message Color | Black |
| Material | Aluminum/Alloys comply with ASTM standard 5052-H38 |
| Gauge | 0.081" Aluminum Flat Sheet (2mm Thick) |
| Holes / SB# | 3/8" holes for Mounting // Compliance with the Transportation Association of Canada (TAC) |
