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Annual Traffic Report

The Annual Traffic Report (ATR) summarizes traffic data maintained by the Washington State Department of Transportation for the State Highway System. The report includes Annual Average Daily Traffic (AADT) figures and truck percentages, when available, for locations where data collection has occurred within the past four years. Also included are: a list of Automated Data Collection (ADC) station locations; an annual summary of data from all operational ADC stations; a table of Average Weekday Traffic (AWDT) to AADT conversion factors from all operational ADC stations; a ten-year history of AADTs from ADC stations, ferry systems and toll crossings; Annual Vehicle Miles of Travel (AVMT) information for the State Highway System; and a copy of the latest Washington State Traffic Flow Map.

To request an alternate media of the Annual Traffic Report, please contact our Web & Media Services Section via Email.

For any previous years not listed or for questions or comments regarding the Annual Traffic Report(s), please Email the Traffic Data Section or call by phone at (360) 570-2378.

Traffic Reports in PDF Format
These Files Require The Adobe Reader For Viewing
• 2004
• 2003

• 2002

• 2001

• 2000

• 1999

• 1998

• 1997

• 1996


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