Data on This Site
As a lengthy and detailed transportation study, the information presented on this site includes both current and archived data. Some of this data may no longer be accurate or applicable to the current status of the proposed freeway study. While we have tried to separate current from archive information, ADOT is sincerely committed to conducting this study openly and fairly, so we have maintained many years worth of documents, presentations and other information as part of this site to help provide a comprehensive reference for all members of the community until the formal environmental documents are released for public review and comment.
If you have questions about the current-day accuracy of a document or want to inquire about the latest developments, we are always happy to provide personal assistance.
These changes have been made due to the declining revenues that Maricopa County has been faced with since 2007. Maricopa County's half-cent sales tax for transportation projects, approved through Proposition 400 in 2004, is the major funding source for the Regional Transportation Plan and provides more than half of the revenue. These declines are the first ever in the history of the transportation sales tax since first being approved in 1985. In addition, funding for regional projects from ADOT and the federal government have declined and are expected to continue declining.
In response, MAG began to study methods to reduce freeway project costs. Additionally, during the South Mountain Freeway study the public expressed concern about the number of proposed residential and business acquisitions and about some of the potential impacts of the proposed freeway. Acknowledging these community concerns and addressing declining revenues, strategies were examined to reduce potential impacts including project costs and needed right-of-way. For the South Mountain Freeway Study, this analysis resulted in two key changes:
- Reducing the proposed freeway to eight lanes (from the previous 10-lane concept), thereby reducing the right-of-way needed
- Shifting the Western Section alignment between Lower Buckeye Road and I-10 to connect at 59th Avenue (rather than 55th Avenue)
In October 2009, MAG's Regional Council voted to approve the revised regional plan which included these changes. If you would like more information regarding the Regional Transportation Plan, please visit the MAG website at azmag.gov.