Seattle roadway channelization data representing paint lines, curbs, and other markings that delineate traffic lanes, bike routes, and bus zones. The dataset is owned by the SDOT Transportation account and was last updated on 2026-03 22 03:34:48.512046. It consists of multiple layers including vertical elements, lane widths, panel markings, and longitudinal markings.
Use Cases
- Modeling traffic lane configurations based on lane width and longitudinal marking data.
- Analyzing bike route and bus zone safety based on transverse and panel markings.
- Mapping public safety infrastructure based on vertical elements and legend symbols.
Strengths
- Data is dynamically updated via AutoCAD, suggesting integration with engineering workflows.
- Contains multiple structured layers including lane widths, panel markings, and longitudinal markings.
- Available in multiple geospatial formats including GeoPackage, KML, and GeoJSON.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- City of Seattle, SDOT Transportation account.
- Collection Method
- Common data layer created from a read-only view of a feature layer.
- Time Range
- null
- Freshness
- Last updated 2026-03-22 03:34:48.512046; freshness should be verified.
- Geography
- Seattle, Washington, USA.