ATSSA Traffic Control Supervisor Recertification ACTUAL EXAM WITH LATEST VERSION QUESTION AND ANSWERS RATED A GRADE.

ATSSA Traffic Control Supervisor Recertification ACTUAL EXAM WITH LATEST VERSION QUESTION AND ANSWERS RATED A GRADE. The off peak 85th percentile. Which is the speed at or below which 85% of vehicles travel operating speed in free flow conditions - ANSWER-speed used in formulas should be 125' - ANSWER-Distance of L for 25 MPH with 12' Lane width 245' - ANSWER-Distance of L for 35 MPH with 12' Lane width L=(WS²)/60 for 40MPH or less, L=WS for 45MPH or more - ANSWER-Formula for Min. taper length 540' - ANSWER-Distance of L for 45 MPH with 12' Lane width ATSSA Traffic Control Supervisor Re-certification ACTUAL EXAM WITH LATEST VERSION QUESTION AND ANSWERS RATED A GRADE. 660' - ANSWER-Distance of L for 55 MPH with 12' Lane width 780' - ANSWER-Distance of L for 65 MPH 12' Lane width L Minimum - ANSWER-Merging Taper Length 1/2 L Minimum - ANSWER-Shifting Taper Length 1/3 L Minimum - ANSWER-Shoulder Taper Length 50'-100' regardless of speed ATSSA Traffic Control Supervisor Re-certification ACTUAL EXAM WITH LATEST VERSION QUESTION AND ANSWERS RATED A GRADE. 6 devices 10'-20' apart - ANSWER-One-Lane, Two-Way Taper (Flagger taper) Length and number of devices 50'-100' per lane - ANSWER-Downstream taper Length 2L - ANSWER-Tangent distance (between tapers) 1/2L - ANSWER-Tangent d