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City of Seattle (Seattle Department of Transportation - SDOT)Speed Humps

Published Apr 29, 2026 by admin

Speed humps which are street paved mounds used in low volume arterial streets and on non-arterial streets designated as emergency fire routes. The purpose is to slow down cars, improving safety and encouraging use of other transportation modes. Spacing is designed to allow wider-axle emergency vehicles to pass through without slowing down. Displays speed humps maintained by the Seattle Department of Transportation. Feature Class: SDOT.V_SpeedHump.

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Categories

road_structures_and_services

Category Inference

Speed humps are physical traffic calming road structures (paved mounds) installed on low-volume arterial and non-arterial streets in Seattle to slow vehicle traffic and improve safety, maintained by the Seattle Department of Transportation.

Fallback category: travel›road_structures_and_services

Source category mappings

(2)
Source category Overture category Confidence Valid
SPH travel›road_structures_and_services 0.88 ✓
16 travel›road_structures_and_services 0.85 ✓

Source Schema

(55 columns)
Name Type Null % Unique Sample values
OBJECTID int32 0.0% 137
  • 92202
  • 92203
  • 92204
COMPKEY int32 0.0% 137
  • 823616
  • 823548
  • 823656
COMPTYPE int32 0.0% 1
  • 16
  • 16
  • 16
SEGKEY int32 0.0% 115
  • 12508
  • 10540
  • 4803
UNITID object 0.0% 137
  • SPH-59
  • SPH-19
  • SPH-81
UNITTYPE object 0.0% 1
  • SPH
  • SPH
  • SPH
UNITDESC object 0.0% 137
  • RENTON AVE S 0560 BLOCK C SIDE ( 110) 110 FT S/O S FINDLAY ST
  • FREMONT AVE N 0960 BLOCK C SIDE ( 223) 223 FT N/O N 96TH ST
  • 31ST AVE NE 1100 BLOCK C SIDE ( 240) 240 FT N/O NE 110TH ST
CATEGORY object 100.0% 0 —
MATERIAL object 0.0% 1
  • ASPHALT
  • ASPHALT
  • ASPHALT
STYLE object 100.0% 0 —
ASSET_HEIGHT int32 0.0% 1
  • 0
  • 0
  • 0
ASSET_WIDTH int32 0.0% 1
  • 0
  • 0
  • 0
INSTALL_DATE object 100.0% 0 —
ASBLT object 100.0% 0 —
MAINTAINED_BY object 100.0% 0 —
MAINTENANCE_FINANCIAL_RESP object 100.0% 0 —
MAINTENANCE_AGREEMENT object 100.0% 0 —
COMMENTS object 0.0% 137
  • Street Address Adjacent to 5615 Renton Ave S
  • Street Address Adjacent to 9612 Fremont Ave N
  • Street Address Adjacent to 11021 31st Ave NE
DIRFROMXST object 0.0% 6
  • S
  • N
  • N
DISTTOHIGH int32 0.0% 110
  • 168
  • 107
  • 418
DISTTOLOW int32 0.0% 75
  • 110
  • 223
  • 240
SIDE object 0.0% 1
  • C
  • C
  • C
ONSTREET object 0.0% 47
  • RENTON AVE S
  • FREMONT AVE N
  • 31ST AVE NE
XSTRHIGH object 0.0% 105
  • S ORCAS ST
  • N 97TH ST
  • NE 113TH ST
XSTRLOW object 0.0% 103
  • S FINDLAY ST
  • N 96TH ST
  • NE 110TH ST
MEAS_FROM_HIGH object 0.0% 2
  • N
  • N
  • N
MEAS_FROM_LOW object 0.0% 2
  • Y
  • Y
  • Y
MEASUREMENT_ORIGIN object 97.8% 1
  • Property Line
  • Property Line
  • Property Line
LOG_COMMENT_1 object 0.0% 54
  • S - Rainier Valley N-S Neighborhood Greenway (CPRS); E1/N1 Height (3.25")
  • N - Phinneywood Greenway Eval - NGW - Speed SPHs, Signs, bike boxes; E1/N1 Height (3.5")
  • NE - Addams Hale Speed SPH Project - SRTS - SPHs; E1/N1 Height (3.75")
LOG_COMMENT_2 object 100.0% 0 —
LOG_COMMENT_3 object 100.0% 0 —
PRIMARYDISTRICTCD object 0.0% 6
  • DISTRICT2
  • DISTRICT5
  • DISTRICT5
SECONDARYDISTRICTCD object 100.0% 0 —
OVERRIDEYN object 0.0% 1
  • N
  • N
  • N
OVERRIDECOMMENT object 100.0% 0 —
ATTACHMENT_1 object 1.5% 12
  • \\dotnas\InfoPublicSector\H8\PROD\ATTACHMENTS\AM Engineering Drawings\S- Rainier Valley N-S Neighborhood Greenway (CPRS).pdf
  • \\dotnas\InfoPublicSector\H8\PROD\ATTACHMENTS\AM Engineering Drawings\N - Phinneywood Greenway Eval - NGW - Speed Humps, Signs, bike boxes.pdf
  • \\dotnas\InfoPublicSector\H8\PROD\ATTACHMENTS\AM Engineering Drawings\NE - Addams Hale Speed Hump Project - SRTS - Humps.pdf
ATTACHMENT_2 object 100.0% 0 —
ATTACHMENT_3 object 100.0% 0 —
ATTACHMENT_4 object 100.0% 0 —
ATTACHMENT_5 object 100.0% 0 —
ATTACHMENT_6 object 100.0% 0 —
ATTACHMENT_7 object 100.0% 0 —
ATTACHMENT_8 object 100.0% 0 —
ATTACHMENT_9 object 100.0% 0 —
NUM_ATTACHMENTS int32 0.0% 2
  • 1
  • 1
  • 1
CURRENT_STATUS object 0.0% 1
  • INSVC
  • INSVC
  • INSVC
CURRENT_STATUS_DATE object 6.6% 11
  • Tue, 17 Dec 2019 00:00:00 GMT
  • Fri, 01 Nov 2019 00:00:00 GMT
  • Mon, 26 Aug 2019 00:00:00 GMT
CONDITION object 0.0% 1
  • GOOD
  • GOOD
  • GOOD
CONDITION_ASSESSMENT_DATE object 6.6% 11
  • Tue, 17 Dec 2019 00:00:00 GMT
  • Fri, 01 Nov 2019 00:00:00 GMT
  • Mon, 26 Aug 2019 00:00:00 GMT
LAST_VERIFY_DATE object 6.6% 11
  • Tue, 17 Dec 2019 00:00:00 GMT
  • Fri, 01 Nov 2019 00:00:00 GMT
  • Mon, 26 Aug 2019 00:00:00 GMT
OWNERSHIP object 100.0% 0 —
OWNERSHIP_DATE object 100.0% 0 —
ADDDTTM object 0.0% 1
  • Wed, 04 Aug 2021 00:00:00 GMT
  • Wed, 04 Aug 2021 00:00:00 GMT
  • Wed, 04 Aug 2021 00:00:00 GMT
MODDTTM object 92.7% 3
  • Fri, 10 Oct 2025 00:00:00 GMT
  • Fri, 10 Oct 2025 00:00:00 GMT
  • Thu, 16 Sep 2021 00:00:00 GMT
DATE_MVW_LAST_UPDATED object 0.0% 1
  • Mon, 27 Apr 2026 19:12:34 GMT
  • Mon, 27 Apr 2026 19:12:34 GMT
  • Mon, 27 Apr 2026 19:12:34 GMT

Quality Report

✅ Dataset is usable

Geographic Bounds

Coordinates: Southwest (-122.3690, 47.4991) - Northeast (-122.2620, 47.7274)