Public engineering firm directory

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A&F Engineering

Indianapolis, IN

Distinguished Transportation & Site Engineering

WebsitePhone1 office1 leadersFounded 1966Updated Jun 2026

Service detail: Traffic Engineering

Service: Traffic EngineeringService: Traffic Impact StudiesService: Capacity AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+15 more

A&R Engineering

Marietta, GA

A&R Engineering is a civil engineering firm specializing in traffic and transportation engineering, headquartered in Marietta, Georgia. A&R has served clients across Georgia, South Carolina, and Alabama for over 20 years, guiding projects from due diligence through construction completion. The team works with developers, architects, attorneys, and public agencies on retail, residential, industrial, mixed-use, educational, and medical developments, delivering traffic impact studies, intersection and signal design, permitting support, construction oversight, and expert witness services.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Traffic Studies

Service: Traffic StudiesService: Traffic Impact StudiesService: Intersection Control Evaluation StudiesIndustry: TransportationIndustry: Land DevelopmentType: Civil Engineering+22 more

CivTech

Scottsdale, AZ

Quality, integrity, and technical expertise providing innovative engineering solutions for traffic, transportation planning, and design.

WebsitePhone3 offices12 projects7 leadersFounded 2002Size Estimate: 5-25 employees

Project: Palisene Traffic Impact Analysis

Service: Traffic EngineeringService: Traffic Impact Analysis StudiesService: Traffic Control PlansIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+46 more

Civotec LLC

Houston, TX

Where Insight Matters

WebsitePhone3 offices3 credentialsFounded 2022Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Traffic Impact Analysis

Service: Traffic Impact AnalysisService: Traffic Impact Studies & AnalysesService: Trip Generation & DistributionIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+40 more

DAMA Consultants, Inc.

Chicago, IL

Transportation Engineering, Traffic Engineering, and Transportation Planning

WebsitePhone1 office7 projects17 credentials2 publicationsFounded 2010

Project: IDOT District 1 Databank Management Consultant (IHIS)

Service: Traffic Planning and EngineeringService: Traffic Signal Design and TimingService: Traffic Forecasting and Impact AssessmentsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+26 more

Gorove Slade

Fairfax, VA

Advancing Transportation Solutions in the Communities We Serve

Website4 offices7 projects6 leaders6 credentialsFounded 1979Size Estimate: 50-100 employees

Project: The Wharf / Southwest Waterfront

Service: StudiesService: Multimodal transportation / traffic impact studiesService: Environmental traffic assessmentsIndustry: Mixed-UseIndustry: CommercialType: Transportation Engineering+40 more

Great Places Analysis and Design, LLC

Transportation planning, analysis, and engineering design to promote safety and community vibrancy

Website4 projects1 leadersUpdated Jun 2026

Project: Creative Intersection Reconfigurations

Service: Transportation Planning and ScopingService: Mobility PlanningService: Safety Action PlanningIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+29 more

LaCroix Traffic Engineering PLLC

LaCroix Traffic Engineering PLLC is a traffic engineering consulting firm serving land developers, engineering firms, and public agencies primarily throughout Michigan and Indiana. Founded and led by Nick LaCroix, P.E., PTOE, with over 20 years of multi-disciplinary traffic engineering experience, LTE provides traffic impact studies, corridor studies, signal timing optimization, interchange and intersection analyses, crash and safety studies, parking studies, work zone maintenance of traffic plans, and non-motorized and pedestrian facility studies.

Website1 leadersUpdated Jun 2026

Service detail: Traffic Impact Studies

Service: Traffic Impact StudiesService: Corridor Studies & Conceptual DesignService: Signal Timing OptimizationIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+7 more

RY Engineering Inc.

Aliso Viejo, CA

Transportation and Traffic Engineering Solutions for California Public Agencies

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Signal Timing and System Operations

Service: Signal Timing and System OperationsService: Timing Plan DevelopmentService: System OptimizationIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+15 more

T3 Design Corporation

Fairfax, VA

T3 Design Corporation is a Fairfax, Virginia-based transportation engineering practice founded in 2006. It specializes in transportation planning, traffic engineering, roadway design, intelligent transportation systems, and operations program management, serving state departments of transportation, regional transit authorities, and local jurisdictions throughout the Mid-Atlantic region.

WebsitePhone1 office6 projects5 leaders5 credentialsFounded 2006

Project: I-395 General Engineering Consultant (GEC) Transportation Management Plan Project

Service: Transportation PlanningService: Traffic Impact AnalysisService: Traffic ForecastingIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+26 more

TJW Engineering

Every Project Matters. Every Solution is Built with Purpose.

Website6 projects3 leaders4 credentialsFounded 2010Updated Jun 2026

Project: North Downtown Bellflower Parking Analysis

Service: Traffic Engineering & OperationsService: Traffic Signal Design & OperationsService: Active Transportation Analysis & DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+29 more

TechniQuest Corporation

Princeton, NJ

Professional Engineering Consulting and Construction Inspection Services

WebsitePhone1 office3 projectsFounded 1995Updated Jun 2026

Project: NJDOT Arterial Management Center Staff Augmentation

Service: Traffic EngineeringService: Traffic Signal Design and OptimizationService: Lighting Design and Analysis (AGi32)Industry: TransportationIndustry: InfrastructureType: Transportation Engineering+22 more

TrafInfo Communications, Inc.

Woburn, MA

Transportation consulting and wireless traffic monitoring solutions

WebsitePhone1 office6 leaders4 credentialsFounded 2000Size Estimate: 1-10 employees

Service detail: Transportation Consulting

Service: Transportation ConsultingService: Traffic Impact and Access StudiesService: Travel Demand ModelingIndustry: TransportationIndustry: GovernmentType: Transportation Engineering+9 more

TranSmart Technologies

Partnering in Solutions that Work for You

Website10 projectsFounded 1986Updated Jun 2026

Project: Jane Byrne Circle Interchange Reconstruction Design, Phase I and II

Service: Traffic EngineeringService: Traffic Data Collection and Traffic CountsService: Traffic Origin-Destination StudiesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+63 more

VAG Transportation Engineering Consultants, PSC

San Juan, PR

Practical solutions for traffic and transportation engineering challenges.

WebsitePhone1 office8 projects2 leaders3 credentialsFounded 2010

Project: PR-52 / PR-18 / PR-30 Dynamic Toll Lane Operations Study

Service: Traffic Data Collection and AnalysisService: Gathers Field Data Automated Traffic CountsService: Video-recorded Turning Movement Surveys. Visual Data Is Processed To Categorize Traffic By Vehicle ClassIndustry: TransportationIndustry: InfrastructureType: Transportation Engineering+65 more

W & S Solutions, LLC

TransBrain360 Technology Platform and Transportation Consulting Services

Website12 projects7 credentialsFounded 2009Updated Jun 2026

Project: Traffic Data Monitoring with AI Technology

Service: Data Collection and MonitoringService: Traffic Camera and Count CollectionService: AI Data AnalyticsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+25 more

Wetherill Engineering, Inc.

Raleigh, NC

Providing quality work through dedication, thoroughness, and technical excellence.

WebsitePhone3 offices4 projects3 leaders1 credentialsFounded 1993

Project: Wilcox Bridge Inspections and Repair Recommendations

Service: Transportation / Roadway EngineeringService: Roadway designService: Highway and freeway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+50 more