Countermeasures That Work:
A Highway Safety Countermeasure Guide for
State Highway Safety Offices
Seventh Edition
Published 2013
Countermeasures That Work: A Highway Safety Countermeasure Guide for State Highway Safety Offices is a basic reference to assist State Highway Safety Offices (SHSOs) in selecting effective, evidence-based countermeasures for traffic safety problem areas.
All chapters of the guide have been revised and updated for this edition. Information and research studies through May 31, 2012, have been reviewed and included as appropriate. Data has been updated to include information from NHTSA’s Traffic Safety Facts 2010 annual report. Although no new chapters have been added to this edition, several new countermeasures have been introduced
Researchers who contributed to this edition include Arthur Goodwin, Bevan Kirley, Laura Sandt, William Hall, Libby Thomas, Natalie O’Brien, and Daniel Sumerlin. The original publication was prepared in 2005 by James H. Hedlund, Ph.D., of Highway Safety North, with the assistance of GHSA Executive Director Barbara Harsha.
Countermeasures That Work: A Highway Safety Countermeasure Guide for State Highway Safety Offices 
[3.4 MB, 388 pgs.]