Acknowledgments

This volume of NCHRP Report 500 was developed under NCHRP Project 17-18(3), the product of which is a series of implementation guides addressing the emphasis areas of AASHTO�s Strategic Highway Safety Plan. The project was managed by CH2M HILL, and the co-principal investigators were Ron Pfefer of Maron Engineering and Kevin Slack of CH2M HILL. Timothy Neuman of CH2M HILL served as the overall project director for the team. Kelly Hardy, also of CH2M HILL, served as a technical specialist on the development of the guides.

The project team was organized around the specialized technical content contained in each guide, and the overall team included nationally recognized experts from many organizations. The following team of experts, selected based on their knowledge of signalized intersections, served as lead authors for the signalized intersection guide:

Nicholas D. Antonucci
CH2M HILL
Kelly K. Hardy
CH2M HILL
Kevin L. Slack
CH2M HILL

Development of the volumes of NCHRP Report 500 utilized the resources and expertise of many professionals from around the country and overseas. Through research, workshops, and actual demonstration of the guides by agencies, the resulting documents represent best practices in each emphasis area. The project team is grateful to the following list of people and their agencies for supporting the project by providing material, participating in workshops and meetings, and providing input and comments during the development of the signalized intersection guide:

City of Winston-Salem, NC Stan Polanis	Howard County Maryland Police Department Lt. Glenn Hansen	Missouri Department of Transportation Mike Curtit Tom Evans Grahm Zieba
Federal Highway Administration Joe Bared Greg Evans Pat Hasson Hari Kalla Fred Ranck	Minnesota Department of Transportation Mark Briese Loren Hill

In addition, the authors wish to recognize Taylor Fleet of CH2M HILL for his assistance in making this document possible.