Central District Projects

Loop 202 (South Mountain Freeway)


To expedite completion of this project, the corridor has been broken down into four construction segments:
I-10, Salt River, Center, and Pecos. Features within each segment are detailed below:

SMF linemap 2018

I-10 Segment:
  • Direct High Occupancy Vehicle (HOV) ramps to I-10 East
  • Frontage roads along 59th Avenue
  • Three interchanges, plus a system interchange with I-10
  • 4.5 miles of widening and improvements to     I-10
Salt River Segment:
  • Six interchanges
  • Double-roundabout interchange at Estrella Drive
  • Pedestrian bridge near Elwood Street north of Broadway Road
  • Two 2,700-foot long bridge crossing the Salt River
Center Segment:
  • Freeway partially elevated to minimize the amount of earth removed from the mountains
  • Five multi-use underpass crossings, providing wildlife and Community members with connection points to the mountains and provide a crossing for a Maricopa County trail
 Pecos Segment:
  • HOV ramp to Loop 202 (Santan Freeway)
  • Four interchanges
  • 6-mile, 20-foot wide shared-use path from 40th Street to 17th Avenue

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