Seattle Streets

Streets data includes: Arterial Classification, Street Names, Block Number, Direction, One-way, Surface Width, Surface Type, Pavement Condition, Speed Limit, Percent Slope. From the Hansen Asset Management System:

The linework is from the SND(Street Network Database) which can be found at our open data site - https://data-seattlecitygis.opendata.arcgis.com/datasets/street-network-database-snd.

| Attribute Information: https://www.seattle.gov/Documents/Departments/SDOT/GIS/Seattle_Streets_OD.pdf

| Update Cycle: Weekly
| Contact Email: DOT_IT_GIS@seattle.gov

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Common SDOT queries and data downloads
| Arterial Classification: of Seattle Streets
ARTCLASS IN(1,2,3,4)

| Transit Classification: of Seattle Streets
TRANCLASS IN(1,2,3,4,5,6)
Organization: City of Seattle
Organization URL: https://catalog.data.gov/organization/seattle-wa
Last updated: 2026-05-07
Tags: arterial, arterial classification, block number, direction, gis, one way streets, one-way, pavement condition, percent slope, sdot, seattle, seattle gis open data, speed limit, street names, surface type, surface width, transit, transit classification