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.

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 general goal of this report was to collect data on citizens’ needs for information about neighborhood crime patterns and trends, terrorism, and public emergency planning and response in the western region of the Phoenix metropolitan area. There was particular interest in obtaining citizen feedback on data-sharing questions related to terrorism prevention.

Concern has been expressed that mesquite bosques are disappearing or diminishing in quality, and that the survival of the mesquite mouse is consequently threatened. This study, funded by a grant from the Arizona Heritage Fund to the Pima County Regional Flood Control District, investigated the current distribution of the mesquite mouse by reviewing historical records from museum specimens, examining existing potential habitat at historic locations of the species and elsewhere in the county, and conducting a live-trapping study at 19 sites representing a range of ecological communities with mesquite as a major component.

Over the past several years, Arizona policymakers have debated a number of immigration-related crime control policies. These discussions have ranged from arguments over the wisdom of granting local law enforcement agencies the authority to arrest and prosecute illegal aliens, to enacting legislation that sanctions employers for hiring illegal aliens. The perception that illegal aliens are responsible for a disproportionate amount of crime and violence in the state is at the root of many of these policy discussions. This report examines the connection between illegal aliens and crime in Maricopa County, Arizona, using data from the Arizona Arrestee Reporting Information Network.

A descriptive report of invasive Haemophilus influenzae cases as reported to the Maricopa County Department of Public Health. The purpose of this report is twofold: first to define the illness and its trends in Maricopa County during this time period and second to identify potential areas of improvement in data quality.