ACKNOWLEDGMENTS

The authors wish to express their appreciation to the many individuals who supported the conduct of this study. They include people who aided in project planning as well as in the design, implementation, and evaluation of the countermeasure program.

The contributions of the following Phoenix representatives are acknowledged:

• Michael Cynecki, Street Transportation Department
• Sara Elco, Street Transportation Department
• Leticia Vargas, Street Transportation Department
• Lt. Emilien Sapon, Police Department
• Sgt. Rich Maiocco, Police Department
• Officer Sandor Rogoff, Police Department

The contributions of the following Peoria representatives are acknowledged:

• Scott Nodes, Engineering Department
• Kelly LaRosa, Engineering Department
• Sgt. Clark Collier, Police Department

The authors also wish to express their appreciation for the support of Sonny Yamamoto of SJS America who arranged for and provided most of the 3-D pavement markings for the project.

Although a study of this type would not have been possible without the support of those named above and many others who provided guidance, assistance, and resources, the findings and conclusions contained herein are solely those of the authors.