Company lists · Data refreshed November 2026

Top 25 Traffic impact assessment consultants worldwide

RevenueBase identified 646 company matches for traffic impact assessment consultants worldwide as of November 2026 and tracks 5,961 professional contacts across them, including 1,779 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for traffic impact assessment consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for traffic impact assessment consultants follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
646Companies
5,961Contacts tracked
1,779Verified emails
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The 25 largest traffic impact assessment consultants worldwide

Ranked by team size
Top 25 of 646 company matches for traffic impact assessment consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchUnited KingdomHQ recorded Nov 6, 2026n/a397 contacts →

Exact match

“See website.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchContagem, BrazilHQ recorded Nov 6, 2026201-500257 contacts →

Exact match

“Há 27 anos no mercado, a GCT – Gerenciamento e Controle de Trânsito SA - oferece serviços especializados de engenharia de tráfego, contribuindo eficazmente para a melhoria do…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSpringwood, AustraliaHQ recorded Nov 6, 2026501-1,000129 contacts →

Exact match

“Providing paramount traffic management and design services, delivered by the industry's best Traffic Controllers and Designers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchManchester, United KingdomHQ recorded Nov 6, 202651-200128 contacts →

Exact match

“SCP is a transportation planning and infrastructure design consultancy with offices in Edinburgh, Bristol, Liverpool, Manchester, Leeds and London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFairfax, MD, United StatesHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Founded in 1979, Gorove Slade Associates, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHyderabad, IndiaHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“ITSPE is an innovative company in the area of Intelligent Transport Systems (ITS).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDandenong South, AustraliaHQ recorded Nov 6, 2026501-1,00085 contacts →

Exact match

“We provide 24-hour traffic management services across Melbourne and surrounds as well as regional Victoria.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLoganholme, AustraliaHQ recorded Nov 6, 2026201-50078 contacts →

Exact match

“Our reputation is important to us, which is why we supply only the best traffic solutions and resources to our stakeholders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBrazilHQ recorded Nov 6, 202611-5071 contacts →

Exact match

“Depois de trabalhar por 27 anos no campo planejamento de transportes, em empresas de consultoria, o engenheiro e professor de Engenharia de Tráfego da Unicamp, Percival Bisca…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAuckland, New ZealandHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Parallaxx was founded in 2012 with the sole purpose of delivering revolutionary professional services to the Traffic Management industry in New Zealand wide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Traffix Group is a leading Australian traffic engineering and transport planning consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWoking, United KingdomHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Mayer Brown is an independent consultancy providing specialist advice across transport planning, infrastructure design, flood risk, drainage and environmental assessment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSandvika, NorwayHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“ViaNova er tre frittstående rådgivende ingeniørfirma med totalt 130 ansatte, som primært arbeider med samferdselsrelaterte oppgaver.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchXn, NetherlandsHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Bij Save Traffic Nederland beschikken we over veel kennis en expertise van de wegenbouw.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDallas, CA, United StatesHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“Traffic and Revenue analysis of toll roads and managed lanes facilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Trafficworks is a specialist traffic engineering consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“Linscott, Law & Greenspan, Engineers (LLG) provides transportation planning, traffic engineering and parking consultation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMonza, ItalyHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“TRM è nata nel febbraio del con l'intento di fornire servizi specialistici e con l'obiettivo di riunire molteplici competenze integrate per arrivare a dare una risposta completa…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“We are engineers, planners, scientists, public involvement specialists, and traffic operations experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Ason Group is a specialist traffic and transportation planning and engineering firm providing consultancy services to both the private and public sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchKampen, NetherlandsHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Wij zijn BonoTraffics, een verkeerskundig adviesbureau uit Kampen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSantiago, ChileHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Empresa consultora que ofrece soluciones eficaces entendiendo los objetivos de los clientes aplicando la creatividad, experiencia, integridad y dedicación para brindar soluciones…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“ATG’s modern approach to moving individuals through complex transportation systems is decidedly simple: We connect people to those they love and the places they need to go.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchVirginia, AustraliaHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Schramm Group are traffic and safety consultants/engineers specialising in the following services:* Traffic Control * Road Safety Audits * Traffic Surveys and Data Collection *…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 646 traffic impact assessment consultants worldwide

See the full list, filter by size, metro and specialty, and access 1,779 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Traffic impact assessment consultants worldwide at a glance

As of Nov 6, 2026
29.8%Verified-email coverage
9.2Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
442
11-50
154
51-200
37
201-500
7
501-1,000
2

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for traffic impact assessment consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “traffic impact assessment consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,779 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Traffic impact assessment consultants by location

3 lists · largest first

Every Traffic impact assessment consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “traffic impact assessment consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many traffic impact assessment consultants are there worldwide?

RevenueBase identified 646 company matches for traffic impact assessment consultants worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

ADL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most traffic impact assessment consultants?

The United States leads with 135 companies, followed by Australia (94) and the United Kingdom (77). Every traffic impact assessment consultants list by country and city is linked on this page.

Which city has the most traffic impact assessment consultants?

London leads with 11 company records, followed by Melbourne (9) and Sydney (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,779 professional contacts with verified work emails tracked across these 646 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.