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From page 1...
... 1 Measuring, Characterizing, and Reporting Pavement Roughness of Low-Speed and Urban Roads State highway agencies monitor pavement roughness to assess road network condition and construction quality assurance. States are also required to report the International Roughness Index (IRI)
From page 2...
... 2 The validity of measured profiles decreased at very low speeds. However, the six profilers tested did not dem onstrate a common low-speed limit.
From page 3...
... 3 design profile that are in conflict with roadway smoothness (e.g., crowned intersections)

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