ACT Scores Major Victory in Performance Measures Debate
January 17, 2017
The Department of Transportation issued its final rule on performance metrics regarding CMAQ and System Performance. The final rule includes numerous changes that ACT recommended, including a focus on people rather than vehicles and a greenhouse gas emissions metric. ACT will issue more detailed comments on the 300-page rule in the coming weeks, but some highlights are listed below. Please stay tuned for a separate legislative alert and webinar notice that will be sent out next week.
Important Changes in the Performance Rule
Merges the proposed peak-hour travel time measure under NHPP with the proposed excessive delay measure under CMAQ Traffic Congestion into one measure under CMAQ, the PHED measure (Annual Hours of Peak-Hour Excessive Delay Per Capita).
Introduces two new measures in response to extensive public comments:
NHPP System Performance: a new measure to assess system performance, specifically the percent change in CO2 emissions for the reference year 2017, generated by on-road mobile sources on the NHS (the GHG measure).
CMAQ Traffic Congestion: a new measure to assess modal share, specifically the percent of Non-SOV Travel measure. State DOTs and MPOs have the opportunity to use localized surveys or assessments to report on this measure and will be encouraged to report to FHWA any data not currently available in national sources (e.g., bike counts).
Changes the weighting of the travel time measures from system-miles to person-miles traveled, focusing on bus, auto, and truck occupancy levels, and providing opportunities for State DOTs and MPOs to capture specific local occupancy levels for particular corridors or areas.