Twin Peaks Rd/Camino de Manana (CMAR)

The Twin Peaks Road (formerly Camino De Mañana) project included the realignment and reconstruction of 3.3-miles of a two-lane roadway to a four-lane divided roadway on the east side of Interstate-10 (I-10), connecting the Twin Peaks Interchange to Tangerine Road at Dove Mountain Boulevard.  Improvements included a raised median, bicycle lanes, concrete curbs, sidewalk, multi-use path, drainage improvements, low-maintenance landscaping, and irrigation.

Project Recognition/Awards:

  • 2011 Outstanding Large-Sized Project Award, presented by Southern Arizona Branch, Arizona Chapter – American Public Works Association (APWA)
  • 2011 Common Ground Award, presented by Metropolitan Pima Alliance
  • 2010 Success through Partnership Award

Community Benefits

The new Twin Peaks roadway helped relieve local traffic congestion and provided an important regional connection between I-10 and the rapidly growing areas of the Town of Marana.  Through a successful CMAR collaboration with the Town and the designer, Borderland was able to deliver this major roadway improvement on schedule and approximately $1.5 million under budget

Project Details

Location: Town of Marana, Pima County, Arizona
Guaranteed Price: $19.5 M
Construction Cost: $18.0 M
Owner: Town of Marana, Public Works Department
Project Delivery: CMAR
Scope: Realignment and reconstruction of a 3.3-mile, four-lane, divided roadway, curbs, sidewalk, multi-use path, drainage improvements, and landscaping

“Nothing got in their way, no hurdle was too large. They worked very hard. It renewed for me how important good people are.”



  • Multiple drainage improvements including rip-rap bank protection, reinforced concrete pipes (RCP), and pre-cast reinforced concrete arch culverts (ConSpans)
  • Multiple wildlife crossings – The project was the first to use Regional Transportation Authority (RTA) wildlife linkage funding to build a mule deer crossing and three wildlife crossing culverts to reduce habitat fragmentation of numerous species and help prevent wildlife-vehicle collisions.
  • Traffic signal modifications
  • Pullouts for future bus stops
  • Offset/adjacent asphalt multi-use path
  • Installation of dry utilities
  • Installation of a new 16-inch potable waterline