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ATTSA TRAFFIC SUPERVISOR CERTIFICATION FINAL EXAM 2026 TWO UPDATED VERSIONS WITH COMPLETE STUDY GUIDE AND ANSWERS

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ATTSA TRAFFIC SUPERVISOR CERTIFICATION FINAL EXAM 2026 TWO UPDATED VERSIONS WITH COMPLETE STUDY GUIDE AND ANSWERS

Institution
ATTSA TRAFFIC SUPERVISOR CERTIFICATION
Course
ATTSA TRAFFIC SUPERVISOR CERTIFICATION

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ATTSA TRAFFIC SUPERVISOR CERTIFICATION
FINAL EXAM 2026 TWO UPDATED VERSIONS
WITH COMPLETE STUDY GUIDE AND
ANSWERS

◉ 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 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
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 distance before shifting taper


◉ Buffer Space
Work Space
Traffic Space. Answer: Activity Area Sub-components (3)


◉ Recovery Area for errant vehicles: Forgiving design
Protects workers and Motorists
Always completely empty or clear
No vehicles, truck-mounted attenuator, equipment, or materials
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ATTSA TRAFFIC SUPERVISOR CERTIFICATION
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ATTSA TRAFFIC SUPERVISOR CERTIFICATION

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  • attsa traffic supervisor certification final exam
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