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South Mountain Freeway Traffic Signal Design

YSMA designed traffic signals along I-10 and SR 202L Traffic Interchanges in support of construction of the South Mountain Freeway in Phoenix.

  • Researched CCTV camera wiring connections and POE injectors and determined solutions of installing digital cameras farther than typical 300 feet distance from the cabinet.

  • Adhered to ADOT’s design directive and avoided the need to install second traffic signal cabinets to house additional equipment.

  • Provided post design services and accommodated design changes to avoid impact with other facilities.