4,234 signalized intersections in Washington State, sourced from OpenStreetMap. The dataset likely contains geographic coordinates and attributes for each traffic signal. Its origin and update frequency are unknown.
Use Cases
- Map traffic signal density across Washington State based on intersection locations.
- Analyze spatial distribution of traffic infrastructure based on the OpenStreetMap source.
- Validate or augment proprietary traffic datasets with open-source signal data.
- Study correlations between signalized intersections and urban development patterns.
Strengths
- Contains 4,234 specific data points for signalized intersections.
- Geographic coverage is explicitly defined as Washington State.
- Source is clearly stated as OpenStreetMap.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Last update date is unknown; freshness unverified.
- Data may reflect geographic bias inherent to OpenStreetMap volunteer contributions.
Provenance
- Source
- OpenStreetMap
- Geography
- Washington State, USA