Calgary Dynamic Message Signs Live Status

Locations and current messages of Dynamic Message Signs in Calgary are updated every 5 minutes. This near real-time feed from data.calgary.ca shows each sign's location and displayed message, reflecting only the current state with no historical data. The dataset is used for communicating travel times, traffic advisories, safety messages, and event notices to motorists.

Use Cases

• Analyze spatial distribution of traffic advisories using the `location`, `latitude`, and `longitude` columns.
• Monitor real-time public safety messaging trends by analyzing the `panel_message` and `formatted_message` fields over the `timestamp`.
• Develop applications for motorists that provide live updates on road conditions by consuming the `raw_message` and `timestamp` data.
• Correlate sign activity with urban events by tracking changes in `panel_message` content against the `timestamp`.

Strengths

• Data is updated every 5 minutes, providing near real-time status.
• Includes precise geospatial coordinates via `latitude` and `longitude` columns.

Limitations

• No historical message data is stored, limiting longitudinal analysis.
• Geographic coverage is limited to the city of Calgary.

Provenance

Source

data.calgary.ca

Collection Method

Live feed from the City of Calgary's Dynamic Message Signs network.

Time Range

Current state only, no historical range.

Freshness

Updated every 5 minutes.

Geography

Calgary, Alberta, Canada.