This manual is designed to be used by municipal police agencies whose mission includes the delivery of patrol and traffic services. It may be used to determine staffing levels for a traffic division with limited patrol coverage or for a patrol division with traffic responsibilities. This version is derived from earlier editions that were based on a review of procedures currently used by state and sheriffs' departments throughout the United States and Canada. The framework and rationale presented in the manual are the result of a distillation process that identified the "best" procedures, and then modified and blended those procedures into a comprehensive model for determining appropriate patrol staffing levels and deployment patterns. The procedures in PAM will provide agencies with a logical and explicit format in which to frame requests for additional personnel and/or staff allocation. In addition, it is anticipated that it will serve as a catalyst for stimulating further discussion and research in the area of patrol staffing and allocation for law enforcement agencies.