Twin Peaks Rd/Camino de Manana (CMAR)

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. 

  • Twin Peaks Rd provides regional connection between I-10 and Tangerine Rd
  • Final lift of asphalt being placed by Borderland crews
  • Borderland crews installing pre-cast ConSpan arch culverts

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."

Gilbert Davidson, Marana Town Manager

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


  • 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