N. 124th St. & Cactus Rd. / Anasazi Elementary School

Scottsdale, AZ

  • Traffic engineering diagram of a roundabout with road lanes and markings

    BACKGROUND

    The City of Scottsdale was seeking a solution to the school traffic congestion and safety at the existing stop-controlled intersection adjacent to Anasazi Elementary School.

  • SUMMARY

    MTJ’s horizontal geometric designs for this intersection are predicated on traffic engineering and roundabout design principles and overall project objectives, include:

    -Adherence to speed control safety criteria

    -Optimal roundabout safety for all modes

    -Large truck/bus movements design vehicle

    -Minimize adverse ROW/environmental impacts

    -Match proposed new cross-sections

    -Minimize roadway reconstruction and costs.

    -Accommodate Complete Streets cross-sections

    Pedestrian safety design principles in NCHRP 834 – Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities (and PROWAG)

Highlights

  • Adjacent to elementary school

  • Complete Streets/multimodal

  • Avoids adverse ROW impacts

  • Maximizes ped/bike safety

  • Mini-roundabout application; 85’ ICD

  • Large truck/emergency response vehicle accommodation

  • Accommodates on-street parking

Satellite