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Speed Studies topics include: Speed study application, spot speed data presentation, model and median speed.
Speed studies are used to determine the distribution of traffic speeds at a specific location. The data collected in these studies is used to calculate vehicle speed percentiles, which are used to make speed-related decisions. Speed zoning studies are conducted to evaluate safety issues and identify appropriate speed limits for specific roadway segments. The data collected in these studies includes actual travel speeds and other types of information that may be appropriate input to the process of setting speed limits. Spot speed studies are conducted to estimate the distribution of speeds of vehicles in the traffic stream at a particular position on a highway. This is done by recording the speeds of vehicles at the specified location. Spot speed is measured by instruments known as enoscope, contact pressure tube, and loop detectors.
Related test: Traffic Engineering Practice Test: Traffic Engineering and Traffic Volume Studies
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