In September 2004, ADOT awarded a contract for the Pinal County Corridors Definition Study to Kimley-Horn and Associates. The scope of the Pinal County Corridors Definition Study included the following activities:
* Confirm the need for the East Valley and the North-South corridors;
* Define planning-level corridor definition alternatives;
* Perform a technical assessment of engineering, environmental, and land use compatibility constraints opportunities for the planning-level corridor definition alternatives;
* Identify to the extent possible, feasible and preferred planning-level corridor definitions on the basis of the technical evaluation;
* Document planning-level costs of corridor development (including studies, design, construction, and right-of-way costs) for the preferred corridor definitions.

The Pinal County Corridors Definition Study resulted in sufficient detail to provide a basis for the future establishment of geometric roadway alignments and corridor design concepts, the preservation of right-of-way, and the identification of required environmental clearance studies.

In the fall of 2007, Arizona’s Councils of Governments and Metropolitan Planning Organizations, in cooperation with the Arizona Department of Transportation, launched a new phase in an ambitious, long-range statewide planning process known as Building a Quality Arizona or bqAZ. Working in collaboration with regional transportation planning entities, transit organizations, tribal governments, land management agencies, conservation groups, business and community leaders, and Governor Napolitano’s Growth Cabinet, ADOT and local/regional leaders embarked on development of a Statewide Transportation Planning Framework that formulated and evaluated multimodal transportation improvements. ADOT’s Multimodal Planning Division and Communication and Community Partnerships Division jointly led the Statewide Framework planning process.

The HELP program is meant to be a funding tool to accelerate needed highway projects throughout the state. Board Funding Obligations are an important part of the HELP capitalization and the current stress on the State's General Fund has impacted our ability to use BFOs as a funding source for new loans. Though $140 million of BFOs are authorized by statute to capitalize the HELP, the State Treasurer was required to call all outstanding BFOs in April 2009. Consequently, the State Transportation Board and the Department have suspended the HELP program given the uncertainty of a long term funding source.

Pima County, in partnership with the National Park Service, has been an active participant in the development of a 70 mile segment of the trail. With the preparation of this Master Plan, Pima County has embarked on an active program to acquire the necessary rights-of-way and easements and to construct the Pima County segment of the national historic trail.

This study covers the time period after 1200 A.D. in terms of the domestic landscape, the agricultural landscape, and the social landscape as the residents of southern Arizona adjust to upheaval and change in environmental and social conditions. This memorandum summarizes the study about the Classic Period and provides a comparison of findings and theories about area residents from both before and after 1200 A.D., which is the approximate time frame of the collapse and restructuring of cultural landscapes.

The proposed Meridian Road Corridor Study is needed to support the continuing development and growth, occurring and anticipated, in the East Mesa, West Apache Junction, and within Pinal County. The purpose of the Meridian Road Corridor Study is to document conditions along the existing roadway and to develop alternatives that will increase the safety and future level of service of Meridian Road. This study will also establish a roadway footprint and develop the ultimate right‐of‐way requirement for the corridor. Finally, the study will be utilized as a guide for local agencies and future development along the corridor. The study area for the Meridian Road Corridor Study is approximately 13 miles in length.

The Sahuarita/El Toro Corridor Study is a joint effort by the Town of Sahuarita and the Arizona Department of Transportation. The purpose of the study is to assess the feasibility of a transportation corridor that will provide adequate capacity for the potential future growth of the Town of Sahuarita and surrounding areas as well as increase local and regional connectivity in Pima County. The study is being funded by Federal Highway Administration’s State Planning and Research Program and administered through ADOT’s Multimodal Planning Division. In the completed Town of Sahuarita Transportation Study, it was recommended that El Toro Rd be constructed as a six-lane parkway to alleviate the severely congested principal thoroughfares due to the future growth identified in that study.

The Camp Verde Small Area Transportation Study is a joint effort of the Town of Camp Verde and Arizona Department of Transportation. The purpose of this study is to develop a multimodal transportation plan that outlines the Town’s transportation priority projects. The transportation plan will sketch out a path to help the Town achieve its vision and goals for a future transportation system in a manner that is closely aligned with the lifestyle and the values of the community.

This study is to update the current plan entitled "Unified Nogales/Santa Cruz County Transportation 2000 Plan." The local governments need a fresh look and new approach to developing their transportation plan. Purpose: The purpose of this study is to create a useful, workable transportation system planning document that contains a realistic and achievable program for implementing transportation system improvements throughout the city and the county.