The primary need for these realignments is due to the planned airport expansion at Tucson International Airport. The purpose of this report is to compare various alignment alternatives for the realignment on the basis of access, cost, right-of-way, and floodplain impacts.

Eight years into project delivery, the Regional Transportation Authority has completed more than 560 of the multi-modal projects spelled out in the 20-year RTA plan. One of the plan's signature projects, the Tucson streetcar, is set to start passenger service in summer 2014.

Summarizes results from a project in which infrared-triggered "trail" cameras were used to monitor lions and bobcats in the Tucson Mountains, Arizona, from January 2008 through May 2010.