ATSSA TRAFFIC CONTROL SUPERVISOR RE-CERTIFICATION EXAM 2024
ATSSA TRAFFIC CONTROL SUPERVISOR RE-CERTIFICATION EXAM 2024 L=(WS²)/60 for 40MPH or less, L=WS for 45MPH or more - correct answer 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 free flow conditions - correct answer speed used in formulas should be 125' - correct answer Distance of L for 25 MPH with 12' Lane width 245' - correct answer Distance of L for 35 MPH with 12' Lane width 540' - correct answer Distance of L for 45 MPH with 12' Lane width 660' - correct answer Distance of L for 55 MPH with 12' Lane width 780' - correct answer Distance of L for 65 MPH 12' Lane width L Minimum - correct answer Merging Taper Length 1/2 L Minimum - correct answer Shifting Taper Length 1/3 L Minimum - correct answer Shoulder Taper Length 5
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atssa traffic control supervisor re certification