Provides insights on historical and current issues in transportation planning. The first section describes the last five decades of planning efforts, funding initiatives and the increasing use of the roadway system. The second section is a series of fact sheets and maps of each subregion that presents the extent of the roadways, traffic volumes on major streets, transit and bicycle facility availability, future planned improvements, issues within the subregion, an overlay of the draft biological reserve, and in the northwest, a further overlay of pygmy-owl habitat with a detailed analysis of bond projects.

Provides background information relevant to the Circulation Element of the draft Comprehensive Land Use Plan. It describes historic traffic volumes for roads within the various subregional planning areas of Pima County, and compare Pima County trends to national data in areas such as vehicle ownership, travel time, vehicle miles traveled, work trip modes of travel, registration, and vehicle costs.

A restoration effort of the San Pedro River to restore sacaton grassland, riparian trees and mesquite to about half the 50 acres of fallow agricultural fields at the Bingham Cienega. The overriding goals were to (1) establish a diversity of riparian habitats in the fields which in turn will support a greater number of invertebrate, reptile, mammal and bird species; and (2) develop practical techniques for promoting establishment of native plants that require little or no irrigation.

Brings together and updates prior anlayses of the riparian restoration element of the SDCP to include not only the considerations of the Endangered Species Act, but also the Clean Water Act. The report defines the scope of environmental and legal issues, and describes a method for further integrating efforts to address environmental and regulatory issues.