Iowa Highway Lane Closure Records from Work Zone Data Exchange

Archived lane closure occurrences within the Iowa Department of Transportation highway system. The data is organized by work zone, consolidating updates into single files, and is part of a national collection from 23 states covering parts of the period from October 2019 to August 2024.

Use Cases

• Analyze lane closure frequency and duration patterns across the Iowa highway system using work zone identifiers.
• Model traffic disruption impacts by correlating work zone location and temporal data from the archived feed.
• Validate work zone data exchange (WZDx) feed consistency by examining processed JSON or GeoJSON files organized per work zone.

Strengths

• Part of a multi-state collection from 23 states, providing comparative context.
• Covers a significant time range from October 2019 to August 2024.
• Data is available in both raw (JSON/GeoJSON) and processed (organized by work zone) formats.

Limitations

• Specific row count, column names, and dataset size are unknown.
• Temporal coverage is partial and depends on when each state's feed was active.
• Sample data is unavailable for immediate inspection of data structure and fields.

Provenance

Source

Iowa Department of Transportation (IDOT), via the ITS JPO Work Zone Data Exchange (WZDx) feed collection.

Collection Method

Archived from the state's WZDx feed; raw data contains exact JSON/GeoJSON files, processed data is organized by work zone.

Time Range

Parts of the period from October 2019 to August 2024.

Freshness

Last updated March 2026, indicating ongoing maintenance.

Geography

Iowa Department of Transportation highway system, United States.