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Transportation Final 4-15-09 -   F. Driver Violations and Intervention

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Transportation Final 4-15-09
1. Safety
2. Preservation
3. Mobility
4. Environment
5. Stewardship
Current Conditions
Action Plan

F. Driver Violations and Intervention

Who might benefit from earlier intervention than license suspension?

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Data Notes  

Data Source:

DOL DataMart database, 01/12/09
Target Rationale: No target is applicable; this is a research project.

Link to Agency Strategic Plan:

This research is linked to DOL’s 2009-11 Strategic Plan objectives of increasing public safety and data-driven decision-making, and the related strategies of developing research-based intervention programs for highest risk groups, educating customers and partners on safety practices, and partnering with others that can impact public safety.
Relevance: Transportation agencies use multiple strategies to impact driver behavior and safety. This research may lead to identifying a new intervention strategy. 
Notes (optional): This initial research was conducted with data from our preliminary method of extracting “safety-related” violations from driver records. 
Also Avaialble
Action Plan: Yes
Extended Analysis: Yes



 Drill Down Measures


 Summary Analysis

Younger drivers with a pattern of safety-related non-suspending violations may benefit from earlier intervention.  

  • In initial research, nearly 19,000 drivers were found with patterns of safety-related non-suspending violations, but were not currently suspended.  Nearly 7,600 of these drivers were under 25. 
  • Their age and gender distribution is very similar to the age and gender distribution of drivers with serious injury or fatality collisions.  
  •  This suggests an opportunity to predict an individual’s increasing risk of serious collisions by combining violation, age and gender data.  


Key Action Items 

Ongoing research efforts will include: seeking more national data to determine the potential effects of various types of pre-suspension intervention on reducing serious collisions, refining our preliminary research method of defining violation types, and collaborating with related agencies' data experts.