2023-2024 ATSSA Practice Exam With Answers (56 Solved Questions)

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ATSSA Traffic Control Supervisor Re-certification 100%VERIFIED ANSWERS 2023/2024L=(WS²)/60 for 40MPH or less,L=WS for 45MPH or more -Formula for Min. taper lengthThe off peak 85th percentile. Which is the speed at or below which 85% of vehiclestravel operating speed in free flow conditions -speed used in formulas should be125' -Distance of L for 25 MPH with 12' Lane width245' -Distance of L for 35 MPH with 12' Lane width540' -Distance of L for 45 MPH with 12' Lane width660' -Distance of L for 55 MPH with 12' Lane width780' -Distance of L for 65 MPH 12' Lane widthL Minimum -Merging Taper Length1/2 L Minimum -Shifting Taper Length1/3 L Minimum -Shoulder Taper Length50'-100' regardless of speed6 devices 10'-20' apart -One-Lane, Two-Way Taper (Flagger taper) Length andnumber of devices50'-100' per lane -Downstream taper Length2L -Tangent distance (between tapers)1/2L -Tangent distance before shifting taperBuffer SpaceWork SpaceTraffic Space -Activity Area Sub-components (3)Recovery Area for errant vehicles: Forgiving design

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