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Pages 1-5

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From page 1...
... 1 Road users judge the condition of a road by its ride quality. Recognizing the importance paid by road users to smooth pavements, state departments of transportations (DOTs)
From page 2...
... 2 Inertial Profiler Certification for Evaluation of International Roughness Index for pavement and bridge condition. Based on these acts, the FHWA released the final rule for state DOTs to use to carry out the National Highway Performance Program in January 2017.
From page 3...
... Summary 3 tion acceptance and at network level, certification of profiler operators, and procedures for quality control (QC) of the collected data.
From page 4...
... 4 Inertial Profiler Certification for Evaluation of International Roughness Index procedure that does not use the cross-correlation method to analyze the data. Overall, 18 of the 25 state DOTs that have an in-state certification program use a certification procedure that includes the cross-correlation method specified in AASHTO Standard R 56-14.
From page 5...
... Summary 5 profiler operators require certification. Of the 25 states that allow vendors to collect data, only two states require the vendor's operators to be certified in state.

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