1 / 19

NC Local Safety Partnership

NC Local Safety Partnership. Preparing Collision Diagrams. Module Objectives. Understand the fundamental components of collision diagram preparation Use collision diagrams to identify and detect treatable crash patterns. Collision Diagrams.

mitch
Download Presentation

NC Local Safety Partnership

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. NC Local Safety Partnership Preparing Collision Diagrams

  2. Module Objectives Understand the fundamental components of collision diagram preparation Use collision diagrams to identify and detect treatable crash patterns

  3. Collision Diagrams Fundamental tool for depicting and analyzing crash activity at a location Illuminates crash patterns Outlines statistical data

  4. Before & After Collision Diagram AFTER BEFORE

  5. Exploring the Collision Diagram

  6. Diagram Area

  7. Symbols

  8. ID Information

  9. Statistical Information

  10. Collision Diagram Preparation Diagram not to scale Usually little or no topographic data Officer’s sketch & narrative main source Place time and date on vector judged most causative

  11. Methods of Preparation Manual CADD Commercial

  12. After Diagrams AFTER 54 Months BEFORE 54 Months

  13. Module 4 – Collision Diagrams examples

  14. 4 Leg Intersection

  15. T Intersection

  16. Y Intersection

  17. Roundabout

  18. Non-Intersection

  19. Take Away Messages A variety of methods/technologies are available for collision diagram preparation Crash patterns can be detected by reviewing collision diagrams for a variety of intersection types and non-intersection locations Before/after diagrams provide visual indication of treatment’s effect

More Related