NCHRP Project 22-31

Recommended Guidelines for the Selection and

Placement of Test Levels 2 Through 5 Median Barriers

 

 

 

 

 

                                           

 

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Quarterly Progress Reports

Limited Use Documents

Quarterly Progress Reports and Attachments are furnished only for review by members of the NCHRP project panel and are regarded as fully privileged.  Dissemination of information included herein must be approved by NCHRP.  All files on this page are password protected.  If you need access to one of these documents email:

christine@roadsafellc.com.

Christine Carrigan, P.E., Ph.D.

RoadSafe LLC
P.O. Box 312

12 Main Street
Canton, Maine 04221
christine@roadsafellc.com

September 2017 Quarterly Report

                Attachment A: Progress and Fiscal Summary

             Attachment B:  Responses to Panel Comments

             Attachment C:  Acronyms and Abbreviations

             Attachment D:  Data Simulations for Probability of a Penetration, Rollover Vault

June 2017 Quarterly Report

                Attachment A: Progress and Fiscal Summary

             Attachment B:  Responses to Panel Comments

             Attachment C:  Probability of a Cross Median Crash (CMC)

             Attachment D:  TRB First IRSC Project Update

March 2017 Quarterly Report

                Attachment A: Progress and Fiscal Summary

             Attachment B:  Responses to Panel Comments

             Attachment C:  Acronyms and Abbreviations

             Attachment D:  Definitions of Terms and Guideline Parameters Relationships

             Attachment E:  Probability of a Median Related Event

                Attachment F:  Barrier Performance During a Crash

December 2016 Quarterly Report

                Attachment A: Progress and Fiscal Summary

             Attachment B:  Responses to Panel Comments

             Attachment C:  Probability of  a Median Related Event

September 2016 Quarterly Report

                Attachment A: Progress and Fiscal Summary

             Attachment B:  Responses to Panel Comments

             Attachment C:  Presentation: Selection and Placement Guidelines

                Attachment D:  Draft Interim Report Supplement

             Attachment E:  Work Plan Supplement

                Attachment F:  Interim Report

June 2016 Quarterly Report

June 2016 Quarterly Report

                Attachment A: Progress and Fiscal Summary

             Attachment B:  Responses to Panel Comments

             Attachment C:  Draft Interim Report

March 2016 Quarterly Report

                Attachment A: Progress and Fiscal Summary

             Attachment B:  Responses to Panel Comments

             Attachment C:  Work-in-Progress Literature Review

             Attachment D:  Work-in-Progress Study Protocol     

December 2015 Quarterly Report

                Attachment A: Progress and Fiscal Summary

             Attachment B:  Responses to Panel Comments

             Attachment C:  Summary of Kick-Off Meeting

             Attachment D:  Email Cover Letter for Survey Distribution