Trusted traffic engineering for public agencies

Greenlight Traffic Engineering partners with public agencies to deliver clear, data-driven solutions that prioritize safety, efficiency, and community satisfaction while navigating regulatory compliance and minimizing project risks.

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Ensuring safety, efficiency, and community satisfaction

As a public agency, you face the daunting task of managing complex traffic engineering projects while balancing safety, efficiency, and community satisfaction. At Greenlight Traffic Engineering, we understand these challenges and have the expertise to help you overcome them.

Our team of experienced professionals specializes in providing comprehensive traffic engineering services tailored to the unique needs of regional Metropolitan Planning Organizations (MPOs), Council of Governments (COGs), Cities, Counties, Tribes, and State DOTs.
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Expertise in Traffic Safety Planning

Crash data analysis and safety issue diagnosis 
Safe Routes to School studies 
Treatment selection and benefit/cost analysis 
Safety project prioritization and before/after analysis

Comprehensive 3rd Party Review

Traffic engineering design review 
Study review support 
Serving both private and public agency clients

Data-Driven Traffic Operations Planning

Intersection alternatives analysis 
Traffic signal coordination 
Feasibility analysis 
Benefit/cost analysis

Detailed Traffic Engineering Design

Traffic control plans 
Pavement marking plans 
Signing plans 
Traffic signal plans

100+

Supported 100+ attorneys with expert witness, strengthening cases and ensuring fair settlements

30+

30+ years of expert witness experience, our team offers unparalleled insights into traffic engineering litigation

90%

Our expert testimony has contributed to favorable outcomes in 90% of the cases we've supported

Featured team members

Mike Blankenship, PE, RSP

Mike has served as expert witness on multiple traffic safety cases over the past 26 years. His testimony has been noted as sound and understandable to jurors and legal experts. He has also trained other engineers on providing expert witness testimony through the Tort Liability and Risk Management Workshops he has provided nationally, including developing mock trials for public works staff to participate in.

Mike has 33 years of traffic safety and executive level experience in all facets of traffic engineering including planning, design, operations and training. His career focus has been on providing safety for all road users.

His design experience includes intersections, roadways, traffic signals, signing/pavement marking and parking lots. Mike has developed and taught workshops on Road Safety Audits (RSAs), Roadside Safety, Risk Management/Tort Liability, Incident Management, MUTCD, Work Zone Traffic Control, Traffic Calming, and Walkable Communities.

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Scott Kelly, PE, PTOE

Scott is the private development traffic services practice leader at Greenlight. He is a licensed Professional Engineer, as well as a Professional Traffic Operations Engineer (PTOE).

He has over 17 years of experience in traffic engineering with expertise in development-related traffic planning, design and operations within Arizona and across the country. His career has focused on serving private development clients of all sizes. Scott’s project portfolio includes all traffic studies and design improvement plans for all types of development.

His breadth of project experience spans small, single lot developments and redevelopment sites, to large master planned communities and multi-use commercial projects.

Over his career, Scott has developed and reviewed hundreds of traffic impact statements, traffic impact studies (TIS) / traffic impact analyses (TIA), and parking analyses, as well as designed thousands of sheets of signing, striping, traffic signal, lighting, traffic control, ITS infrastructure, and parking layouts.

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