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.