Pavement Roughness Data Collection and Utilization

摘要: The Florida Department of Transportation (FDOT) is in the process evaluating protocols for collecting and analyzing roughness data. As part that evaluation, a nationwide survey was performed to identify trends practices various departments transportation with regard data collection analysis. All responding states indicated interest obtaining results survey, which mailed all 50 state transportation. responses show most are using laser-type road profilers measurements. international index (IRI) widely used index. Highway Performance Monitoring System (HPMS) from different collected by equipment, wheelpaths filtered differently. Stricter guidelines should be developed ensure consistency HPMS