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Freeway Performance Measurement System: Operational Analysis Tool
2002
Transportation Research Record
PeMS is a freeway performance measurement system for all of California. It processes 2 GB/day of 30-second loop detector data in real time to produce useful information. Managers at any time can have a uniform, and comprehensive assessment of freeway performance. Traffic engineers can base their operational decisions on knowledge of the current state of the freeway network. Planners can determine whether congestion bottlenecks can be alleviated by improving operations or by minor capital
doi:10.3141/1811-08
fatcat:cko6wb75w5c4hlfmtui4ofrqxe