The year 2002 marked the largest outbreak to date in the world as the virus rapidly spread across the U.S. Maricopa County has been spared the burden of widespread WNV-illness thus far, however the area is home to a viable mosquito population, many species of migratory birds and a large human populace with a propensity for outdoor activities making arrival of the virus inevitable and advanced preparations invaluable.

The Arizona Department of Transportation and the Maricopa Association of Governments are cooperating in the designation of a specific route for the CANAMEX Corridor in the Maricopa Region. Kimley-Horn and Associates, under contract to ADOT, provided technical assistance to ADOT and MAG in support of the high-level evaluation of route alternatives. The purpose of this study is to provide technical assistance, not to evaluate or select a preferred route alternative.

This version of the Major Streets and Routes Plan revises the original plan and the 2004 revisions. Looking ahead to pending updates to the classification systems of towns and cities in Maricopa County, the original MSRP stipulated a periodic review and modification of the street functional classification portion of the plan. This revision incorporates the following changes: (1) as anticipated, many of the communities in the County have updated either their general or transportation plans in the time since the adoption of the first MSRP; (2) a new roadway classification, the Arizona Parkway, has been added to the Maricopa County street classification system and the expressway classification has been removed; and (3) a series of regional framework studies have been conducted by the Maricopa Association of Governments to establish comprehensive roadway networks in parts of the West Valley.

The State of the System Report is a compilation of the physical inventory and status of the Maricopa County Department of Transportation’s infrastructure. It addresses roadway congestion, traffic safety, low volume road paving, bridges, and pavement conditions. Also, included are recommendations for future improvements within each of the infrastructure categories. The SOS report has been produced annually since 1998.

Maricopa County's Parks and Recreation Department now features one of the nation's largest county park systems, with 10 regional parks totaling more than 120,000 acres. In an effort to manage the future needs of residents and the growth of the county the Department decided to update the previous Master Plan for the Park System which was completed over 40 years ago. The Strategic System Master Plan evaluates all aspects of the Department’s management efforts and seeks strong community input into the elements and expectations they have for the system today and in the future.

The Maricopa County Attorney is dedicated to the vigorous prosecution of those who commit crimes within the county. As the chief advocate for the State and the citizens of the community in criminal matters, the County Attorney seeks to provide the highest quality service and maintain the integrity of the criminal justice system. Criminals must be held accountable, while assuring that the statutory rights and emotional needs of victims and witnesses are properly addressed. Additionally, the County Attorney seeks to implement, promote and participate in programs that reduce crime and enhance the quality of community life. The County Attorney also contributes to excellence in local government by providing complete legal services to the county, its officers and various political subdivisions.