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Description
This measure tracks the consistency of traffic patterns throughout the state. The Planning Time Index shows the disparity in travel times when drivers experience much longer travel times than expected. A decreasing planning time index means delay has been reduced from what it has been on those travel days with delay. The numbers are not comparable to MAPSS results published prior to 2018, as the federal performance data source, used for this measure, was revised in 2017. The travel time reliability goal is to improve reliability from the prior year’s performance result.
To view more detailed information visit:
Performance Map and
Statewide County List.
How is this measure trending? Unfavorable
More information
[1] Source: Data processed from NPMRDS.
[2] Only counties in gray have data for this measure.
Mobility: Delivering transportation choices that result in efficient trips and no unexpected delays.