Cautionary signs are used to warn motorists of upcoming events, such as intersections, tunnels, and animals. All cautionary signs are black, red, and white text on a yellow diamond. There are two exceptions, the Chevron and Hazard Marker signs are rectangles. Supplement plaques may be used in conjunction with cautionary signs. Cautionary signs are grouped into six categories. To go to a category click one of the following links.
Intersections * Curves * Divides/Merges * Road Conditions * People / Animals / Places * Miscellaneous
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SIGN |
NAME | MEANING | OPTIONAL SUPPLEMENTS |
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Acute Intersection |
Roadway to left/right intersects your roadway at a sharp angle. Motorists may enter roadway unexpectedly due to angle and limited visiblity. | Distance | |
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Full Intersection |
Four way intersection ahead. | Distance | |
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Road Forks |
Current road forks to both sides. | Distance | |
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Side Road |
Roadway to left/right intersects your roadway. | Distance | |
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Staggered Roads |
Roadways on both side intersect your road. Caution: motorists may be trying to turn from one side road to the other. | Distance | |
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Tee Intersection |
Your roadway ends. | Distance | |
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No Outlets |
All roads ahead must exit the same way they came from. "All roads create a dead end" | None | |
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SIGN |
NAME | MEANING | OPTIONAL SUPPLEMENTS |
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Curve | Roadway curves to the left/right. | Suggested
Speed Distance |
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Sharp Turn |
Roadway sharply turns to the left/right. | Suggested
Speed Distance |
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Swerve | Roadway swerves to the left/right. | Suggested
Speed Distance |
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Double Sharp Turn |
Roadway sharply turns one direction, then the other. | Suggested
Speed Distance |
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Winding Road |
The road ahead is winding. | Suggested
Speed Duration |
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SIGN |
NAME | MEANING | OPTIONAL SUPPLEMENTS |
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Divide Begins |
Divided roadway begins. | None | |
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Divide Ends |
Divided roadway ends. Two-way traffic begins. | None | |
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Ramp Merges |
Traffic joins the trunk road from the left/right. | None | |
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SIGN |
NAME | MEANING | OPTIONAL SUPPLEMENTS |
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Lane Ends | Lane ends (side with bend) | Distance | |
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Narrow Bridge |
The bridge has narrow lanes or is a one lane bridge, if tagged. | Distance One Lane Bridge |
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Road Narrows |
Roadway narrows either in lane width or overall width including shoulders. | Distance Duration |
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Pavement Ends |
Gravel or dirt road begins | None | |
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Rough Road Speed Bump | Rough road or speed bumps are in your path | Duration | |
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Soft Shoulder |
The shoulder is not paved or does not exist | Duration | |
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Slippery When Wet |
The roadway is very slippery in wet conditions | Duration Suggested Speed |
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Steep Grade Down |
How steep the roadway is during decent | Duration Truck Info |
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Steep Grade Up |
How steep the roadway is during accent | Duration Truck Info |
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Congestion Ahead | Area
experiences frequent traffic jams. or An accident or traffic is ahead. Slow down, expect delays & prepare for detours. |
Duration Time of Day |
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Falling Rocks |
Cliffs nearby have loose rock. Be prepared to stop or turn suddenly due to rocks falling or on roadway. | Duration | |
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SIGN |
NAME | MEANING | OPTIONAL SUPPLEMENTS |
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Pedestrian
Crossing Ahead |
Look out for pedestrians trying to cross the road. | Distance | |
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Pedestrian Crossing | Placed at the crosswalk. | None | |
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School Crossing Ahead |
Look out for children trying to cross the road. | Distance | |
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School Crossing |
Placed at the crosswalk. | None | |
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Playground | Look out for children nearby. | None | |
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Bicyclists | Be aware that bicyclists share the road. | Duration | |
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Domestic Animals |
Farm animals may be crossing the road. Prepare for potentially wet and muddy roads. | Duration | |
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Wild Animals |
Wild animals are know to frequent the area. | Duration | |
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SIGN |
NAME | MEANING | OPTIONAL SUPPLEMENTS |
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Yield Ahead |
Slow down and prepare to yield the right of way to priority traffic. | Distance | |
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Stop Sign Ahead |
Slow down and prepare to stop. | Distance | |
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Signal Ahead |
Slow down and prepare to stop if necessary. | Distance | |
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Roundabout | Placed 100m before entering the roundabout. | None | |
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Tunnel | Tunnel is ahead. Turn headlights on. | Distance | |
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Rollover Potential | Trucks traveling too fast may tip over on upcoming curve in the road. | Suggested Speed | |
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Chevron | Points in the direction the roadway follow. Used when a road curves sharply. | None | |
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Hazard Marker |
Marks hazards near the roadway the may pose a threat to motorists. | None |