Traffic Flow Counts

Description

Provides traffic count data for Seattle that includes Average Weekday Traffic (AWDT) and Average Annual Weekday Traffic (AAWDT) which are derived from averaging AM and PM peak hour traffic counts measured between Monday and Friday.

Who owns this data?

Division Program SME/Maintainer
Transportation Operations Data and Records

When is this data updated?

Annually

Location(s)

Year Location
2007 https://data.seattle.gov/Transportation/2007-Flow-Counts-arcgis_rest_services_SDOT_EXT_DSG/2f8y-htmx
2008 https://data.seattle.gov/Transportation/2008-Traffic-Flow-Counts-arcgis_rest_services_SDOT/qv7e-jeev
2009 https://data.seattle.gov/Transportation/2009-Traffic-Flow-Counts-arcgis_rest_services_SDOT/a23u-x4dm
2010 https://data.seattle.gov/Transportation/2010-Traffic-Flow-Counts-arcgis_rest_services_SDOT/k8ie-d3iu
2011 https://data.seattle.gov/Transportation/2011-Traffic-Flow-Counts-arcgis_rest_services_SDOT/vx33-v49r
2012 https://data.seattle.gov/Transportation/SDOT-2012-Traffic-Flow-Counts/tuke-av4m
2013 https://data.seattle.gov/Transportation/SDOT-2013-Traffic-Flow-Counts/fr45-zvkn
2014 https://data.seattle.gov/Transportation/SDOT-2014-Traffic-Flow-Counts/4mwk-gpn6

2014, 2015 and 2016 data can be found as part of this map layer:

M:\GIS\MapLayers\Traffic Volumes

Historical flow maps from 1928, 1950 - 1975, 1978, 1980 - 1989 are located:

V:\COUNTS\Historical Flow Maps - File permissions limit this access to this file path to the Data and Records team

Map(s)

(Internal web map) Neighborhood Traffic Calming

https://seattlecitygis.maps.arcgis.com/apps/webappviewer/index.html?id=f517cdde07d6478eaa6d4cde951a81d1

Format

pdf GIS layer

Rows

Publicly Available?

Yes

Attributes

Known Issues

Flow maps (pdf) can be found on the SDOT website here:

https://www.seattle.gov/transportation/document-library/reports-and-studies

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