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FDOT’s Motorist Awareness System

FDOT’s Motorist Awareness System. When to use MAS? (All conditions must be met). Multilane facility Posted speed limit is 55 mph or greater Work operation requires a lane closure Workers are present. What Devices are used?. Changeable Message Sign notifies motorist of speed reduction .

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FDOT’s Motorist Awareness System

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  1. FDOT’s Motorist Awareness System

  2. When to use MAS?(All conditions must be met) • Multilane facility • Posted speed limit is 55 mph or greater • Work operation requires a lane closure • Workers are present

  3. What Devices are used? Changeable Message Sign notifies motorist of speed reduction WORKERS PRESENT AHEAD SPEED REDUCED NEXT 3MI WORKERS PRESENT AHEAD SPEED REDUCED NEXT 3MI

  4. Where to place CMS devices 1000’

  5. What devices are used? Portable Regulatory Sign (PRS)

  6. 500’ Where to place PRS devices

  7. What devices are used? Radar Speed Display Unit (RSDU) 60 5 9

  8. 500’ Where to place RSDU devices

  9. Speed and law enforcement officers are used randomly to enforce the reduced speed in the work zone Motorist Awareness System

  10. Where to get more information • FDOT Design Standard Index 670: http://www.dot.state.fl.us/rddesign/rd/RTDS/06/670.pdf • State Construction Office: http://www.dot.state.fl.us/construction/memos/2005/DCE06-05.pdf • Contact: Stefanie D. Maxwell, P.E. Email: stefanie.maxwell@dot.state.fl.us

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