Saskatchewan Road Signs Cheat Sheet — Every Sign You Need to Know

Last updated: October 2026

Updated October 2026 · 8 min read

How Saskatchewan sign categories work

SGI follows the Manual of Uniform Traffic Control Devices for Canada (MUTCD-C), the national standard used by every province. The system is designed so a driver who cannot read the words — because of distance, dirt, or language — can still identify a sign's purpose from its shape and background colour alone. The eight-sided stop sign is the clearest example: even completely covered in snow, its silhouette tells you to stop.

You will see six broad categories on the SGI knowledge test: regulatory, warning, construction, information/guide, school and playground, and road markings. Here is each one in plain English.

Regulatory signs

Regulatory signs tell you what you must or must not do. They are legally enforceable — ignore one and you can be ticketed. Most are white rectangles with black text, but several key shapes are reserved:

• Red octagon (STOP) — eight sides. Full stop at the painted line, then yield to cross traffic and pedestrians. The only sign that uses this shape.
• Red and white triangle pointed down (YIELD) — slow down and give right of way to traffic already in the intersection or roundabout. Only stop if a conflict exists.
• White square with red circle and slash — a prohibition. No right turn, no U-turn, no parking, no left turn.
• White square with green circle — a permission or affirmation. The movement shown is allowed.
• Speed limit signs — white rectangle with "MAXIMUM" and a number in km/h. The posted number is the top speed in good conditions.
• One-way sign — black rectangle with a white arrow. Travel only in the direction of the arrow.
• HOV lane sign — a white rectangle with a diamond and "HOV 2+" or similar. You must have at least the posted number of occupants to use the lane.
• Lane-use signs — a white rectangle above a lane showing which movements that lane allows (left-turn only, straight only, or combined).

Also in this group are no-parking and no-stopping signs, truck route signs, pedestrian crosswalk markers, and the "BUSES ONLY" or "TRANSIT ONLY" lane signs.

Warning signs

Warning signs are yellow diamonds with black symbols or text. They do not require any action by law but warn of a condition ahead. Reduce speed if the hazard calls for it.

• Curve or turn arrows — a bent arrow on yellow. Reduce speed before the curve; a smaller advisory speed tab underneath suggests a safe cornering speed.
• Intersection ahead — a yellow diamond with cross or T-shaped lines showing the layout of the intersection.
• Signal ahead — a yellow diamond with the three circles of a traffic light.
• Pedestrian crossing — a yellow diamond with a walking figure. Watch for people on foot and be ready to stop.
• Deer, moose, cattle, or farm equipment crossing — animal silhouette on yellow. Common on Saskatchewan highways; collisions with wildlife are a leading rural hazard.
• Slippery when wet — a yellow diamond with a car making a skid-mark pattern.
• Divided highway begins / ends — a yellow diamond with two converging or diverging lines.
• Hidden intersection — a yellow diamond with the cross-roads symbol and a shorter sight-line warning.
• Narrow bridge, bump, or soft shoulder — the shape or text identifies the specific hazard.

If the diamond is fluorescent yellow-green, it means children — school crossing, school zone warning, or playground warning. Watch extra carefully.

Construction and work-zone signs

Construction signs are orange diamonds with black symbols. The orange background always means temporary and always means slow down. Saskatchewan takes work-zone enforcement seriously:

• Workers on road — orange diamond with a worker and shovel. Slow down, watch for people on the road surface.
• Flagperson ahead — orange diamond with a figure holding a flag or paddle. The flagperson's directions override every sign and signal.
• Lane shift — orange diamond with an arrow curving sideways. The lane physically moves; stay centred.
• Lane closed or merge arrow — merge in the direction shown before the lane runs out.
• Construction speed limit — orange rectangle with a lower number ("MAXIMUM 60 WHEN WORKERS PRESENT"). The posted lower speed applies whenever workers are in the zone, including evenings and weekends.
• "FINES DOUBLED IN WORK ZONE" or "TRAFFIC FINES DOUBLE" — in Saskatchewan, fines for driving offences in a work zone are doubled when workers are present. This covers speeding, following too closely, failing to signal, and more.
• Pilot car follow me — follow the pilot vehicle through a one-lane construction zone; do not pass it.
• Orange and black barricades with flashing lights — a lane is closed or a hazard is present; follow signs or flaggers around them.
• END CONSTRUCTION / END OF WORK ZONE — normal rules and speed limits resume.

Information and guide signs

Information signs are rectangles in three colours, each with a different purpose:

• Green — directions, destinations, highway numbers, and distances. The route-marker shields (black on white or green) number the provincial highway system.
• Blue — motorist services. Gas, food, lodging, hospitals, rest areas, and tourist information. A blue sign with a white lowercase "i" marks a visitor information centre.
• Brown — cultural, historical, and recreational destinations: provincial parks, campgrounds, museums, heritage sites.

Guide signs often use arrow tabs underneath service symbols to show which exit or direction leads to the listed service.

School zones and playground zones

Saskatchewan treats school and playground areas as high-risk zones with their own speed limits and doubled fines.

• School zone sign — fluorescent yellow-green diamond or pentagonal pennant with children walking. The posted limit is 30 km/h on school days during the hours shown. Outside those hours, the normal city limit applies.
• Playground zone sign — similar fluorescent yellow-green with children at play or a figure with a ball. Posted limits apply every day during the hours shown — often dawn to dusk or 8 a.m. to 9 p.m. — not just school days.
• Doubled fines — fines for speeding in a school or playground zone during the hours in effect are doubled.

Pavement markings

Lines on the road are signs too. The quick rules:

• Solid yellow line — do not cross to pass. Yellow lines separate traffic moving in opposite directions.
• Broken yellow line — passing allowed if clear and legal.
• Double solid yellow lines — no passing in either direction, except to make a legal left turn into a driveway or side road.
• White lines — separate traffic moving in the same direction. Broken white allows a lane change; solid white discourages it; double solid white prohibits it.
• Yellow curb — no parking.
• Painted stop line — the white line at an intersection is where your front wheels must come to rest at a stop sign or red light.

The fastest way to lock these in

Reading them once is not enough. The SGI knowledge test gives you 20 sign questions in a row — if you have never actively identified a sign under time pressure, your accuracy drops. Our Saskatchewan road signs test drills exactly these categories with the question style SGI uses, and the full mock exam runs you through both sections like the real thing.

Related guides

• Complete guide to the SGI knowledge test
• How to pass the SGI knowledge test
• Saskatchewan's 6-stage GDL program explained
• Class 7 restrictions in Saskatchewan