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2026-09-29

Transportation Engineering Services: Traffic Engineering, Planning and Analysis

An overview of common transportation engineering services, including traffic studies, transportation planning, traffic operations, simulation, data analysis and engineering support.

Aerial view of a road traffic circle and surrounding streets
U.S. Army photo via Wikimedia Commons, public domain · image details
“Transportation engineering services” can mean anything from a two-hour traffic count to a multi-year network model. The useful way to understand the work is to start with the question the client needs answered: what should be measured, what should be analysed, and what decision will the result support?

What are transportation engineering services?

Transportation engineering services support the planning, analysis, design and operation of transportation systems. The exact scope varies by project, client, jurisdiction and stage of development.

Traffic studies and traffic data

Typical work can include traffic counts, speed studies, intersection observations, turning movement data, parking studies and analysis of traffic patterns. Video-based workflows can help organise and review survey data when camera placement and visibility are suitable.

PTV VISSIM traffic modelling example · Watch on YouTube

Traffic engineering and operations

Traffic engineering services may cover intersection analysis, signal timing, capacity and operational studies, queue assessment, corridor analysis and evaluation of alternative operational treatments.

Transportation planning and modelling

Planning services can include travel demand analysis, network studies, public transport planning, accessibility analysis, land-use and transportation coordination, and scenario evaluation. Larger studies may use network or microsimulation models.

How to evaluate a transportation consultant or service provider

Look for relevant project experience, clear assumptions and deliverables, appropriate software and methods, quality-control procedures, transparent data sources and an explanation of limitations. The right technical method depends on the question being answered.

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Related transportation resources

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