Montgomery County Traffic Collision Reports

Weekly updated traffic collision data from Montgomery County, Maryland, collected via the Maryland State Police Automated Crash Reporting System (ACRS). Reports are filed by multiple local police departments and can be joined with related driver and non-motorist datasets using the State Report Number. The data is preliminary and subject to verification.

Use Cases

• Analyze collision frequency and trends by police reporting jurisdiction (Montgomery County Police, Gaithersburg Police, etc.)
• Join with driver and non-motorist datasets using the State Report Number for a complete incident analysis
• Assess data quality by tracking changes in preliminary collision classifications over time
• Map collision locations on county and local roadways within Montgomery County

Strengths

• Weekly update frequency ensures relatively current data
• Data is collected via the official state Automated Crash Reporting System (ACRS)
• Can be joined with two related datasets for a more complete view of incidents
• Covers multiple reporting jurisdictions within a defined geographic area (Montgomery County)

Limitations

• Data is preliminary and may contain unverified information or errors, as noted in the description
• Specific data volume (rows, columns) and temporal coverage are unknown
• Relies on self-reported information from involved parties before police verification

Provenance

Source

Maryland State Police Automated Crash Reporting System (ACRS), reported by Montgomery County Police, Gaithersburg Police, Rockville Police, or Maryland-National Capital Park Police

Collection Method

Collected via the Automated Crash Reporting System (ACRS) from preliminary reports supplied by involved parties

Freshness

Weekly

Geography

County and local roadways within Montgomery County, Maryland