2015 Traffic Signals 101
Topic 10Advanced Warning Flasher
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• Advanced Warning Flasher (AWF)
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• Advanced Warning Flasher
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• Advanced Warning Flasher
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• Advanced Warning Flasher• The Advanced Warning Flasher (AWF) is
a device which, at certain high speed locations, has been found to provide additional information to the motorist describing the operation of the traffic signal
• Advance Warning Flasher can assist the driver in making safer and more efficient driving decisions
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• Advanced Warning Flasher• The additional information includes a
sign/flasher combination to get the driver’s attention and a specific notice that the driver must prepare to stop
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• Advanced Warning Flasher Consideration• Isolated or unexpected signalized
intersection• Limited sight distance• Dilemma Zone• Accidents• Heavy Truck Volume• Engineering Judgment
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• Guidelines for Installation (MUTCD 4O)• Advanced Warning Flasher• Advanced Warning Flasher Sign
Placement• Leading Flash• Detector Placement
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Advanced Warning
• Guidelines for Installation (MUTCD 4O)• Advanced Warning Flasher• Advanced Warning Flasher Sign
Placement• Leading Flash• Detector Placement
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