StreetLight AADT 2021 U.S.
“In the most recent release, the new AADT model framework applies across 2019, 2020, and 2021 time periods. As a result, users will now be able to compare AADT Metrics across the previous three years.”
AADT 2021 White Paper

Avoid cumbersome, costly, and unsafe traffic counting methods with readily available AADT Metrics in a few clicks

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Access high-quality and validated AADT 2021 for nearly all U.S. roads

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Get counts that meet industry accuracy standards on all road sizes

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Analyze traffic trends for 2019, 2020, and 2021 data years

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AADT 2021: New Methodology, Validation, and Improvements