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Transportation Performance Management

 

State Highway Reliability Report - Arkansas

The information below summarizes the TPM Highway Reliability performance measures, which include two highway reliability measures and one truck travel time reliability measure. Per 23 CFR 490, State Departments of Transportation (DOTs) are required to establish 2- and 4-year targets for these measures. The targets should represent the anticipated condition/performance at the mid-point and end of the 4-year performance period. State DOTs establish targets at the beginning of each 4-year performance period, and report on progress every two years. When establishing targets, State DOTs have the flexibility to use the methodology they deem most appropriate. FHWA encourages States to review data sets and trends and consider factors that may affect targets. Performance targets should be data-driven, realistic, and attainable and should align with the performance management framework and legislative intent.

The targets and discussion of basis for targets, optional adjustment of targets, progress, and planned activities were provided by the State DOT in its most recent biennial performance report. FHWA has not edited this information. It is provided to help bring context to the State DOT's performance targets and progress. The data in the tables and graphs is from the biennial performance report or HPMS data submittal as noted below each measure summary. Any questions about the information should be directed to the State DOT.

Data reported by State DOTs was collected in the previous year, representing the condition/performance at the time of collection. Thus, in the tables and graphs below, FHWA labels data with the year representing the condition/performance, rather than the year the data was reported. The same thing is done for the targets--the year represents when the corresponding actual condition/performance data will be collected, not reported. More Information.

Significant Progress Determination
FHWA determines significant progress for these measures after the mid-point and end of each performance period. A State has met or made significant progress toward target achievement if “actual” condition/performance is equal to or better than the established two-year target or “actual” condition/performance is better than baseline performance 23 CFR 490.109(e). As provided in 23 CFR 490.107(b)(2)(ii)(A), baseline condition/performance is derived from the latest data collected through the beginning date of the performance period. FHWA will classify the assessment of progress toward the achievement of an individual 2-year or 4-year target as “progress not determined” if a State provides the extenuating circumstance information required in 23 CFR 490.109(e)(5), and FHWA accepts the information.

Most recent Significant Progress Determination for the Reliability measures

Most recent Significant Progress Determination for all applicable measures

  • Interstate Highway Reliable Person-Miles Traveled

    • Trend through 2025

      Desired trend: ↑

      Arkansas % of Interstate Highway Reliable Person-Miles Traveled


  • Interstate Highway Reliable Person-Miles Traveled 2021 2022 2023 2024 2025
    Condition/Performance 98.5 -- -- -- --
    Target -- -- 93.0 -- 93.0
  • Interstate Highway Reliable Person-Miles Traveled

    Target setting for travel time reliability performance measures begins with an analysis of trends in historic data. Other factors that are taken into consideration include traffic growth, changes in system capacity (e.g., capital or capacity projects), major work zones, COVID-19 impacts, etc. To meet travel time reliability targets, ARDOT can continue to invest in projects that address reliability issues, such as providing capacity at bottlenecks and improving safety performance. However, as observed in the historical data from 2012-2021, fluctuations in travel time reliability measures can be caused by other factors that are beyond ARDOT’s control. For example, differences in how vendors processed the NPMRDS data resulted in fluctuations of approximately 3% on the Interstate reliability measure. Therefore, the 2-year and 4-year travel time reliability targets for Percent Person-Miles Traveled on Interstates reflect uncertainty in the data and other underlying conditions. Those targets are set at 93% for both target-setting years (2024 and 2026) based on the average of pre-pandemic data with a deviation of -3%.

  • Data Sources:
    Arkansas 2022 Biennial Performance Report
    Arkansas 2022 HPMS Data Submittal

  • Non-Interstate National Highway System (NHS) Reliable Person-Miles Traveled

    • Trend through 2025

      Desired trend: ↑

      Arkansas % of Non-Interstate NHS reliable Person-Miles Traveled


  • Non-Interstate NHS reliable Person-Miles Traveled 2021 2022 2023 2024 2025
    Condition/Performance 95.6 -- -- -- --
    Target -- -- 92.0 -- 92.0

  • Non-Interstate National Highway System (NHS) Reliable Person-Miles Traveled

    For the non-Interstate NHS, the 2-year and 4-year targets for non-Interstate NHS were both set at 92% (applying the same reasoning used for Interstates).

  • Data Sources:
    Arkansas 2022 Biennial Performance Report
    Arkansas 2022 HPMS Data Submittal


  • Interstate Highway Truck Travel Time Reliability (TTTR) Index

    • Trend through 2025

      Desired trend: ↓

       

      Arkansas Truck Travel Time Reliability Index


  • Truck Travel Time Reliability Index 2021 2022 2023 2024 2025
    Condition/Performance 1.24 -- -- --
    Target -- -- 1.35 -- 1.35
  • Interstate Highway Truck Travel Time Reliability

    Target setting for freight reliability performance measures begins with an analysis of trends in historic data. Other factors that are taken into consideration include traffic growth, changes in system capacity (e.g., capital or capacity projects), major work zones, COVID-19 impacts, etc. As observed in the historical data from 2012-2021, fluctuations in freight reliability measures can be caused by a variety of factors, some of which are beyond ARDOT’s control. For example, the data clearly shows the impacts of the COVID-19 pandemic and the three-month closure of the I-40 Mississippi River bridge. These events resulted in a historic low TTTR of 1.13 in 2020 compared to a historic high TTTR of 1.24 in 2021 (among the INRIX data years 2016-2021). Therefore, the 2-year and 4-year targets for Interstate TTTR were set at 1.35, based on the average of the pre-pandemic data and applying a positive deviation to reflect uncertainty in the data and other conditions.

  • Data Sources:
    Arkansas 2022 Biennial Performance Report
    Arkansas 2022 HPMS Data Submittal


Significant Progress Determination

This table shows FHWA’s most recent determination for the Infrastructure performance measures.

PLEASE NOTE: Each State’s performance target assessment is based on its own State-specific target methodology and program philosophy. Therefore, conclusions should not be drawn based only on the information in the Significant Progress Determination Results table. FHWA understands that each State’s program is unique and therefore does not prescribe a methodology for States to set targets. States have the flexibility to use the methodology they deem most appropriate when setting their performance targets. 

Arkansas 2022 Full Performance Period Significant Progress Determination Results
Measure Area Measures Baseline Target Actual Better
than
Baseline?
Achieved Target? Made
Significant
Progress?
Consequences
[23 CFR 490.109(f)]
The performance of the National Highway System Interstate Travel Time Reliability 95.4 93.0 98.5 Yes Yes Yes None
Non-Interstate NHS Travel Time Reliability 95.83 92.0 95.6 No Yes Yes
Freight movement on the Interstate System Freight Reliability 1.20 1.40 1.24 No Yes Yes None

3 The 2-year condition/performance, in 2020 Mid Performance Period Progress Report, as the baseline condition/performance, as required in 23 CFR 490.105(e)(7)(iii).

Updated: 12/06/2023
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