Warning signs
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Sign types
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US (MUTCD)
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Vienna Convention
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UK (TSRGD)
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Curve ahead
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To the left
![MUTCD W1-2L](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/MUTCD_W1-2L.svg/80px-MUTCD_W1-2L.svg.png) To the right
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To the left
![Vienna Conv. road sign Ab-1a](https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Vienna_Convention_road_sign_Ab-1a-V1.svg/80px-Vienna_Convention_road_sign_Ab-1a-V1.svg.png) To the right
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To the left
![TSRGD 512L](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/UK_traffic_sign_512_%28left%29.svg/80px-UK_traffic_sign_512_%28left%29.svg.png) To the right
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Reverse curve ahead
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To the left
![MUTCD W1-4L](https://upload.wikimedia.org/wikipedia/commons/thumb/1/14/MUTCD_W1-4L.svg/80px-MUTCD_W1-4L.svg.png) To the right
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To the left
![Vienna Conv. road sign Ab-1c](https://upload.wikimedia.org/wikipedia/commons/thumb/5/54/Vienna_Convention_road_sign_Ab-1c-V1.svg/80px-Vienna_Convention_road_sign_Ab-1c-V1.svg.png) To the right
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To the left
![TSRGD 513](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/UK_traffic_sign_513_%28left%29.svg/80px-UK_traffic_sign_513_%28left%29.svg.png) To the right
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Winding curve ahead
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To the left
![MUTCD W1-5L](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/MUTCD_W1-5L.svg/80px-MUTCD_W1-5L.svg.png) To the right
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—
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—
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Steep slope ahead
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Downhill Uphill
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Downhill ![TSRGD 523.1](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c8/UK_traffic_sign_523.1.svg/80px-UK_traffic_sign_523.1.svg.png) Uphill
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Road narrows ahead
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Lane ends ahead
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Left lane Right lane
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Left lane Right lane
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Left lane Right lane
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Moveable bridge ahead
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Unprotected river bank ahead
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—
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Uneven roadway ahead
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A bump ahead
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A dip ahead
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Soft shoulder
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![](https://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/MUTCD_W8-17L.svg/80px-MUTCD_W8-17L.svg.png) ![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/MUTCD_W8-17R.svg/80px-MUTCD_W8-17R.svg.png)
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Right-hand
Left-hand
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Slippery roadway
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Loose gravel
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Right-hand
Left-hand
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Falling rocks
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Right-hand
Left-hand
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Pedestrian crossing ahead
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Right-hand
Left-hand
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School zones
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Right-hand
Left-hand
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Playgrounds
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Cyclist ahead
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Right-hand
Left-hand
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Domesticated animals
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Right-hand
Left-hand
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Wild animals
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Right-hand
Left-hand
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Construction workers ahead
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Right-hand
Left-hand
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Traffic signals ahead
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Right-hand
Left-hand
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4-way 90° intersection ahead
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Thru traffic has priority
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3-way 90° intersection ahead (from left)
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Thru traffic has priority
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3-way 90° intersection ahead (from right)
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Thru traffic has priority
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3-way skewed intersection ahead (from top left)
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3-way skewed intersection ahead (from top right)
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3-way skewed intersection ahead (from bottom left)
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Thru traffic has priority
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3-way skewed intersection ahead (from bottom right)
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Thru traffic has priority
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3-way 90° intersection ahead (road ends ahead)
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3-way "Y" intersection ahead (road ends ahead)
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Offset intersection ahead (bottom left then top right)
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Offset intersection ahead (bottom right then top left)
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Merging traffic ahead
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From the left From the right
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Give way or yield ahead
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Stop ahead
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Roundabout ahead
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Right-hand Left-hand
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Two-way (undivided) traffic ahead
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Right-hand Left-hand
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Roadway ahead prone to traffic jam
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Level crossing ahead (gated)
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Level crossing ahead (ungated)
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![MUTCD W10-1](https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/MUTCD_W10-1.svg/80px-MUTCD_W10-1.svg.png)
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Right-hand Left-hand
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Tramway crossing ahead
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Level crossing (crossbuck)
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![Vienna Conv. road sign A-28a-V1-1](https://upload.wikimedia.org/wikipedia/commons/thumb/1/18/Vienna_Convention_road_sign_A-28a-V1-1.svg/90px-Vienna_Convention_road_sign_A-28a-V1-1.svg.png) ![Vienna Conv. road sign A-28a-V2-1](https://upload.wikimedia.org/wikipedia/commons/thumb/4/49/Vienna_Convention_road_sign_A-28a-V2-1.svg/58px-Vienna_Convention_road_sign_A-28a-V2-1.svg.png) ![Vienna Conv. road sign A-28c-V1-1](https://upload.wikimedia.org/wikipedia/commons/thumb/5/51/Vienna_Convention_road_sign_A-28c-V1-1.svg/90px-Vienna_Convention_road_sign_A-28c-V1-1.svg.png) ![Vienna Conv. road sign A-28c-V2-1](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Vienna_Convention_road_sign_A-28c-V2-1.svg/62px-Vienna_Convention_road_sign_A-28c-V2-1.svg.png) ![Vienna Conv. road sign A-28a-V1-1 (Europe)](https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Vienna_Convention_road_sign_A-28a-V1-1-EA.svg/90px-Vienna_Convention_road_sign_A-28a-V1-1-EA.svg.png)
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Level crossing with multiple tracks (crossbuck)
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![Vienna Conv. road sign A-28b-V1-1](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c0/Vienna_Convention_road_sign_A-28b-V1-1.svg/90px-Vienna_Convention_road_sign_A-28b-V1-1.svg.png) ![Vienna Conv. road sign A-28b-V2-1](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Vienna_Convention_road_sign_A-28b-V2-1.svg/58px-Vienna_Convention_road_sign_A-28b-V2-1.svg.png) ![Vienna Conv. road sign A-28c-V3-1](https://upload.wikimedia.org/wikipedia/commons/thumb/5/58/Vienna_Convention_road_sign_A-28c-V3-1.svg/90px-Vienna_Convention_road_sign_A-28c-V3-1.svg.png) ![Vienna Conv. road sign A-28c-V4-1](https://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Vienna_Convention_road_sign_A-28c-V4-1.svg/62px-Vienna_Convention_road_sign_A-28c-V4-1.svg.png) ![Vienna Conv. road sign A-28b-V1-1 (Europe)](https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Vienna_Convention_road_sign_A-28b-V1-1-EA.svg/90px-Vienna_Convention_road_sign_A-28b-V1-1-EA.svg.png)
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Countdown to level crossing
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Low flying aircraft
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![Vienna Conv. road sign Aa-30-V1-1](https://upload.wikimedia.org/wikipedia/commons/thumb/5/51/Vienna_Convention_road_sign_Aa-30-V1-1.svg/80px-Vienna_Convention_road_sign_Aa-30-V1-1.svg.png) ![Vienna Conv. road sign Ab-30-V1-1](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Vienna_Convention_road_sign_Ab-30-V1-1.svg/80px-Vienna_Convention_road_sign_Ab-30-V1-1.svg.png) ![Vienna Conv. road sign Aa-30-V2-1](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Vienna_Convention_road_sign_Aa-30-V2-1.svg/80px-Vienna_Convention_road_sign_Aa-30-V2-1.svg.png)
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Strong crosswinds
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![Vienna Conv. road sign Aa-31-V1-1](https://upload.wikimedia.org/wikipedia/commons/thumb/b/be/Vienna_Convention_road_sign_Aa-31-V1-1.svg/80px-Vienna_Convention_road_sign_Aa-31-V1-1.svg.png) ![Vienna Conv. road sign Ab-31-V1-1](https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Vienna_Convention_road_sign_Ab-31-V1-1.svg/80px-Vienna_Convention_road_sign_Ab-31-V1-1.svg.png) ![Vienna Conv. road sign Aa-31-V2-1](https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Vienna_Convention_road_sign_Aa-31-V2-1.svg/80px-Vienna_Convention_road_sign_Aa-31-V2-1.svg.png)
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Other warning
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![Vienna Conv. road sign Aa-32-V1](https://upload.wikimedia.org/wikipedia/commons/thumb/0/01/Vienna_Convention_road_sign_Aa-32-V1.svg/80px-Vienna_Convention_road_sign_Aa-32-V1.svg.png)
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Pedestrian
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Right-hand
![Vienna Conv. road sign Aa-33-V1-EA](https://upload.wikimedia.org/wikipedia/commons/thumb/6/65/Vienna_Convention_road_sign_Aa-33-V1-EA.svg/80px-Vienna_Convention_road_sign_Aa-33-V1-EA.svg.png)
Left-hand
![Vienna Conv. road sign Aa-33-V1-LHT-EA](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Vienna_Convention_road_sign_Aa-33-V1-LHT-EA.svg/80px-Vienna_Convention_road_sign_Aa-33-V1-LHT-EA.svg.png)
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Icy surface
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![Vienna Conv. road sign Aa-34-V1](https://upload.wikimedia.org/wikipedia/commons/thumb/6/64/Vienna_Convention_road_sign_Aa-34-V1-EA.svg/80px-Vienna_Convention_road_sign_Aa-34-V1-EA.svg.png)
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Accident ahead
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![Vienna Conv. road sign Aa-35-V1](https://upload.wikimedia.org/wikipedia/commons/thumb/0/08/Vienna_Convention_road_sign_Aa-35-V1-EA.svg/80px-Vienna_Convention_road_sign_Aa-35-V1-EA.svg.png)
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Reduced visibility ahead
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![Vienna Conv. road sign Aa-36-V1](https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Vienna_Convention_road_sign_Aa-36-V1-EA.svg/80px-Vienna_Convention_road_sign_Aa-36-V1-EA.svg.png)
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