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Datasets

1,772 datasets

U.S Department of Transportation

HPMS County Summary 2021

State DOTs provide Local and Rural Minor Collector mileage summarized by county and ownership as a direct input to the Highway Performance Management System (HPMS).

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Updated Oct 25, 2026

U.S Department of Transportation

HPMS Roadway Sample 2021

State DOTs provide the Highway Performance Monitoring System (HPMS) with the location limits of highway sections used to represent statewide aggregations based on a statistically valid Sample Panel.

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Updated Oct 25, 2026

U.S Department of Transportation

Roadway Sections North 2019

State DOTs provide the location limits of highway sections to be used to represent statewide aggregations based on a statistically valid Sample Panel. The North contains data for the following States: Maine, New…

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Updated Oct 25, 2026

U.S Department of Transportation

Bridges by NHS and State

This summary tables provides annual counts of bridges on and off the National Highway System (NHS) by States and territories beginning in 2000.

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Updated Oct 25, 2026

U.S Department of Transportation

HPMS Roadway Sample 2024

State DOTs provide the Highway Performance Monitoring System (HPMS) with the location limits of highway sections used to represent statewide aggregations based on a statistically valid Sample Panel.

  • CSV
  • JSON
  • XSL

Updated Oct 25, 2026

U.S Department of Transportation

HPMS County Summary 2020

State DOTs provide Local and Rural Minor Collector mileage summarized by county and ownership as a direct input to the Highway Performance Management System (HPMS).

  • CSV
  • JSON
  • XSL

Updated Oct 25, 2026

U.S Department of Transportation

Historic HPMS Data (Sample) - 1994

Historic Highway Performance Monitoring System sample data for the year 1994

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Updated Oct 25, 2026

U.S Department of Transportation

HPMS Roadway Events Data 2023

Roadway attributes datasets in the Highway Performance Monitoring System (HPMS) consist of three separate tables: the Road Designations Table, the Road Identifications Table, and the Road Events Table. The Roads Event…

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Updated Oct 25, 2026

U.S Department of Transportation

HPMS Non-Federal Aid Summary 2022

Contains information about travel on non-Federal-Aid roads (functionally classified as local or rural minor collector) for each adjusted urbanized area and rural areas. (Note: Urban ID 99998 represents small urban…

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Updated Oct 25, 2026

U.S Department of Transportation

2024 NTD Annual Data - Reporter Agency Information

This dataset contains certain agency information for each NTD reporter filing an annual report for Report Year 2024. It is a subset of the data provided in the dataset…

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  • GeoJSON

Updated Oct 25, 2026

U.S Department of Transportation

HPMS County Summary 2023

State DOTs provide Local and Rural Minor Collector mileage summarized by county and ownership as a direct input to the Highway Performance Management System (HPMS).

  • CSV
  • JSON
  • XSL

Updated Oct 25, 2026

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