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Lee Engineering

Making our transportation systems safer and more efficient.

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About the firm

Lee Engineering is a Phoenix, Arizona-based traffic and transportation engineering specialist founded in 1988 by Dr. Jim Lee. It was purpose-built around deep traffic expertise, offering studies, design, safety, planning, ITS, and operations services to public- and private-sector clients across the Southwest and beyond. With offices in Arizona, New Mexico, Texas, and Oklahoma, Lee Engineering maintains a small, focused team of traffic engineering professionals dedicated to delivering advanced solutions to complex traffic challenges.

Established
1988
Team
Small
Firm type
Transportation Engineering

People

Jim LeePh.D., PE, PTOE - Founder

Capabilities

Traffic Engineering Studies

Service website

Evaluation of traffic patterns using a variety of proven methods to offer solutions that improve traffic flow and safety.

  • Traffic impact studies
  • Traffic counts and data collection
  • Bicycle and pedestrian studies
  • Parking studies

Traffic Engineering Design

Service website

Development of design plans incorporating traffic control devices and solutions tailored to each project.

  • Traffic signal design
  • Roundabout design
  • Street lighting design and construction
  • Traffic control device plans

Transportation Safety

Service website

Application of the Safe Systems approach focusing on safe road users, safe vehicles, safe roads, safe speeds, and post-crash care.

  • Road safety audits
  • Safe Systems assessments
  • Crash data analysis

Transportation Planning

Service website

Guiding infrastructure investment decisions through the transportation planning process at scales from a single street to statewide systems.

  • Corridor planning
  • Traffic standards development

Intelligent Transportation Systems (ITS)

Service website

Technology-driven traffic control infrastructure incorporating ITS solutions to improve overall quality of life and traffic management.

  • ITS design and integration
  • Automated Traffic Signal Performance Measures (ATSPM)

Traffic Operations

Service website

Complex traffic operations analysis and solutions developed by Professional Traffic Operations Engineers (PTOE).

  • Signal timing optimization
  • Intersection operations analysis

Expert Witness

Service website

Expert witness services for traffic engineering matters.

Industries

Government

Projects