Fairfax County contracted with The Costas Group, Inc. to develop a Public Safety IT architecture and strategy for public safety and emergency management information system, addressing integration and interoperability. Fairfax County has multiple disparate systems with varying architectures in its public safety and emergency management information systems portfolio. The County’s goal was to align the architecture of these systems more in line with the County’s overall systems architecture. A second objective is to upgrade public safety systems and in doing so take advantage of interoperability opportunities within the County and with neighboring jurisdictions. Our focus is on an integrated public safety emergency management information solution with CAD/RMS at its core. We also provided project management and quality assurance services throughout the implementation of various technology solutions related to the County’s planned Public Safety and Transportation Operations Center (PSTOC). Our work proceeded in three phases: