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ADOT, the Federal Highway Administration and the Regional Transportation Authority are working together to improve traffic flow and enhance safety along State Route 77, also known as Oracle Road. This study is evaluating improvements along Oracle Road between Tangerine Road and the Pinal County Line which crosses through the Tucson and Oro Valley metropolitan areas, the community of Catalina and Pima and Pinal counties.
The proposed improvements include:
- An additional 12-foot-wide travel lane in each direction for a total of six travel lanes throughout the project area
- Ten-foot -wide shoulders (7-foot-wide with curb in Catalina)
- Cyclists may use widened shoulders
- New right-turn lanes at some locations and median and left-turn lanes through the project area
- Rubberized asphalt
- Raised center medians and left-turn lanes in the Catalina area
- Retaining walls (if required)
- Noise walls (if required)
- Traffic signal improvements
- Drainage improvements
- Replacing shared-use path on the east side of Oracle Road from Wilds Road to Mainsail Boulevard
- Three wildlife crossing structures to allow wildlife to migrate safely, between the Santa Catalina and Tortolita mountains, without crossing the roadway at street level.
- The crossing structures are made possible through RTA funding and are planned to coincide with the ADOT widening project for Oracle Road in the southern segment of this project.
Project Timeline
- Study phase: 2004 to 2009
- Public meetings held in June 2005 and January 2009
- Project assessment
- Ongoing public involvement and communication
- Design, 2011 to 2013
- Public meeting held in May 2011
- Small group meetings to be held in 2011-2013
- Ongoing public involvement and communication
- Construction
- Project to be bid upon by contractors once the design is completed
- Anticipated construction start in fall of 2013
- Anticipated construction duration is two years
- Ongoing public involvement and communication
News Release
Traffic Alert
View Project Design Maps by Segment
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