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ATSSA Traffic Control Supervisor Re-certification (missing some basics)
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L=(WS²)/60 for 40MPH or less, L=WS for 45MPH or more - 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 - Answer- speed used in formulas should be 125' - Answer- Distance o...
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