This report was prepared in response to concerns about high levels of street violence, particularly in certain areas of the county, and to support the joint efforts of the Allegheny County Criminal Justice Advisory Board and the Allegheny County Executive’s Public Health Commission on Preventing Violence and Promoting Community Health. It is the result of interviews with more than 50 practitioners; reviews of local, state and national programs; research on the roots of violence and evidence-based practices that have been effective in combating street violence; and discussions with noted experts in the field of criminal and juvenile justice. It presents recommendations of specific, proven strategies that can reduce street violence in Allegheny County within one to five years.