Exam (elaborations)
ATSSA Traffic Control Supervisor Re-certification 100% VERIFIED ANSWERS 2023/2024
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QUESTIONS AND ANSWERS
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By: taylorsjohnson1992 • 9 months ago
By: DYNAMICSCORES • 9 months ago
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ATSSA Traffic Control Supervisor Re -certification 100% VERIFIED ANSWERS 2023/2024 L=(WS²)/60 for 40MPH or less, L=WS for 45MPH or more Formula for Min. taper length The off peak 85th percentile. Which is the speed at or below which 85% of vehicles travel operating speed in f ree flow conditions speed used in formulas should be 125' Distance of L for 25 MPH with 12' Lane width 245' Distance of L for 35 MPH with 12' Lane width 540' Distance of L for 45 MPH with 12' Lane width 660' Distance of L for 55 MPH with 12' Lane width 780' Distance of L for 65 MPH 12' Lane width L Minimum Merging Taper Length 1/2 L Minimum Shifting Taper Length 1/3 L Minimum Shoulder Taper Length 50'-100' regardless of speed 6 devices 10' -20' apart One-Lane, Two -Way Taper (Flagger taper) Length and number of devices 50'-100' per lane Downstream taper Length 2L Tangent distance (between tapers) 1/2L Tangent distance before shifting taper Buffer Space Work Space Traffic Space Activity Area Sub -components (3)The benefits of buying summaries with Stuvia:
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