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TSSA Traffic Control Supervisor Re-certification With Questions And Correct Answers Already Graded A
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---7November 20242024/2025A+
- TSSA Traffic Control Supervisor Re-certification With 
Questions And Correct Answers Already Graded A 
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 of L for 25 MPH with 12' Lane width 
245' - ANSWER>>Distance of L fo...
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