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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