Mph 540 - Study guides, Class notes & Summaries

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 for 35 MPH with 12' Lane width 540' - ANSWER Distance of L for 45 MPH with 12' Lane width 660' - ANSWER Distance of L for 55 ...

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 for 35 MPH with 12' Lane width 540' - ANSWER Distance of L for 45 MPH with 12' Lane width 660' - ANSWER Distanc...

ATSSA Traffic Control Supervisor Re-certification / ATSSA Traffic Control Supervisor Re-certification 100% VERIFIED ANSWERS 2023/2025 (missing some basics) 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 ...

ATSSA Traffic Control Supervisor Re-certification With Questions And Correct Answers Already Graded A Decelerate the vehicle to a stop - ANSWER>>stationary non-redirective Impact Attenuators do what? Minimum of 30" - ANSWER>>Impact Barrels should overlap the fixed object on the traffic side by: Stationing 0+00' - ANSWER>>A conventional way of identifying distances on the plan and on the ground. Located every hundred feet. Cones at least 28" with 2 white retror...

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' ...

ATSSA Traffic Control Supervisor Re-certification (missing some basics) Questions and Answers Uses for portable changeable message sign PCMS - Answer-speed drops significant delays adverse conditions advance notice of closures advance notice of road changes reinforce static signage updated guidance information placed 500'-800' ahead of workzone conflicts or 1.5-2 miles ahead of complex traffic control uses of screens (mounted on top of rail) - Answer-limit distractions and discou...

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 for 35 MPH with 12' Lane width 540' - Answer- Distance of L for 45 MPH with 12' Lane width 660' - Answer- Distance of L f...

BNSF 5467 East passes a yellow flag 2 miles in advance of a 20 mph Form A track bulletin. When may the crew resume maximum speed? - When the rear of the train is clear of the restricted area. BNSF 540 East passes a yellow-red flag at MP 280, and the crew has no track bulletin specifying a restiction. They try unsuccessfully to contact the employee in charge. They contact the dispatcher, who verifies there is no restriction in effect at that location. Two miles from the location of the...

ATSSA Traffic Control Supervisor Re-certification (missing some basics) | Questions and Correct Answers | Latest Update 2024/2025 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 -Distanc...

Formula for Min. taper length Correct Answer: L=(WS²)/60 for 40MPH or less, L=WS for 45MPH or more speed used in formulas should be Correct Answer: The off peak 85th percentile. Which is the speed at or below which 85% of vehicles travel operating speed in free flow conditions Distance of L for 25 MPH with 12' Lane width Correct Answer: 125' Distance of L for 35 MPH with 12' Lane width Correct Answer: 245' Distance of L for 45 MPH with 12' Lane width Correct Answer: 540' 2 D...