How Crash Data is Collected and Analyzed10:50 AM-12:05 PM

Room C

December 3rd, 2015 Kevin Murphy, DVRPC

Vision Zero-NYCSafety Culture

PA AA500 NJ TR-1

Crash Data DefinitionsReportable vs. Non-reportable

Non-reportable crashes:• Not in either state’s database• Can be useful depending on the level of detail

collected, typically not as robust as reportable data

December 3rd, 2015 How Crash Data is Collected and Analyzed

• Pennsylvania: fatal and injury crashes, and non-injury crashes where vehicle requires towing from the scene

Reportable crashes:• New Jersey: fatal and injury crashes, and non-injury

crashes where officer determines that $500 damage to property has occurred

Fatal Crash: A Police-reported Crash Involving A Motor Vehicle In Transport On A Trafficway In Which At Least One Person Dies Within 30 Days Of The Crash.

December 3rd, 2015 How Crash Data is Collected and Analyzed

Crash Data DefinitionsSeverity

Injury Crash: A Police-reported Crash That Involves A Motor Vehicle In Transport On A Trafficway In Which No One Died But At Least One Person Was Reported To Have: (1) An Incapacitating Injury; (2) A Visible But Not Incapacitating Injury; (3) A Possible, Not Visible Injury; Or (4) An Injury Of Unknown Severity.Property-Damage-Only Crash: A Police-reported Crash Involving A Motor Vehicle In Transport On A Trafficway In Which No One Involved In The Crash Suffered Any Injuries.

Fatality Analysis Reporting System (FARS) - NHTSA

Common Theme:Only crashes where a motor vehicle is involved are captured on the police reporting forms

December 3rd, 2015 How Crash Data is Collected and Analyzed

Crash Data Definitions

Access to Data

State databases:• PA – Crash Data Analysis Retrieval Tool (CDART):

government agencies• NJ – Plan4Safety (tool): government agencies

NJ raw crash data publicly available at:

http://www.state.nj.us/transportation/refdata/accident/

Police reports: authorized persons• Narratives• Diagrams

Other data sources/products: public• PA Crash Facts & Statistics• NJ State Police, NJDOT Crash Records• Fatality Analysis Reporting System (FARS)

December 3rd, 2015 How Crash Data is Collected and Analyzed

Panelists:

Kristin RashResearch & Analysis, Philadelphia Police Department

Ema Yamamoto, AICPPhiladelphia Streets Department

Patricia Ott, PEMBO Engineering, LLC  

December 3rd, 2015 How Crash Data is Collected and Analyzed