Congestion Management Monitoring
Corridor Congestion
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Congestion Management Monitoring |
The corridor congestion ratio is an aggregation of the volume/capacity (V/C) ratios for the individual segments that make up a facility within a corridor. For each segment in a corridor, the V/C ratio, vehicle miles traveled (VMT), and VMT-weighted V/C ratio (the product of the V/C ratio and VMT) for the peak hour are calculated. The CCR is the sum of the weighted link ratios. It is intended to show the overall V/C ratio for the length of a corridor instead of a single location on the facility.
The PM periods show congestion along major facilities such as I-5, I-205, SR-14, SR-500/Fourth Plain, Burton/18th Street, 164th Avenue, Ward Road, Mill Plain-East, SR-503-South, and SR-502. Planned improvements along Ward Road and Burton Road are likely to reduce the congestion index in these corridors.
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