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Raising the standards for design

Our experienced traffic engineers develop design plans incorporating traffic control devices and solutions to best fit each project.

Home > Services > Traffic Engineering Design
  • Traffic Engineering Studies
  • Traffic Engineering Design
  • Transportation Planning
  • Intelligent Transportation Systems
  • Traffic Operations
  • Special Services

Check out our projects here! 

What We Do

At the core of our consulting practice, we have in-house expertise to prepare design plans for installations and modifications of various types of traffic control devices and solutions, while considering safety and efficiency of the transportation system.  Our traffic engineers evaluate each design project from a constructability perspective to ensure that the design solutions are customized and implementable.

Areas of Expertise

  • Traffic Signals

  • Modern Roundabouts

  • Signing, Pavement Marking, and Channelization

  • Traffic Control Plans

  • Illumination

  • Complete Streets

  • Roadway Design

32nd Street Repurposing Road Diet

01/05/2017

Gavin & Barker | Phoenix, AZ

 32nd Street Repurposing Road Diet Project As a subconsultant, LEE provided a study to review and evaluate the signing and striping and assessed signal equipment changes needed for the 32nd Street Bike Lane (Road Diet) project from SR 51 to Bell Road (4.5 miles).  32nd Street was built prior to SR-51 and formerly was the primary access from northeast Phoenix into Central Phoenix.  It was built with a 2-1-3 lane configuration and at one time there were triple left-turn lanes from westbound Shea Blvd to southbound 32nd Street to accommodate the high traffic volumes.  After SR-51 was completed to the Outer Loop, traffic volumes decreased substantially along 32nd Street which provided an opportunity to reallocate one of the travel lanes for purposes, such as on-street bike lanes.  A separate study was conducted for the intersection of 32nd Street and Shea Boulevard to assess the ability to narrow and remove one of the westbound left-turn lanes at the intersection while still maintaining an acceptable level of service. 

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