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Find a Commonwealth ResourceFairfax County
The libraries layer includes Fairfax County and FCPL facilities information tracked by the agency.Contact: Fairfax County Public LibraryData Accessibility: Publicly AvailableUpdate Frequency: As NeededLast Revision…
Updated Oct 8, 2026
Department of Transportation
This dataset provides information about 2023 Annual Average Daily Traffic (AADT) Volume Estimates by Section of Route in Fairfax County Traffic Counts data legend, definitions, glossary, methodology and more information.
Updated Mar 25, 2026
