INTERNSHIP DETAILS

Transportation Intern

CompanyArcadis
LocationSeattle
Work ModeOn Site
PostedJanuary 6, 2026
Internship Information
Core Responsibilities
As a Traffic and Transportation Intern, you will assist in conducting traffic studies and preparing plans. You will work with senior engineers to develop improved signal timing plans and utilize data to identify operational and safety needs.
Internship Type
full time
Salary Range
$21 - $31
Company Size
40453
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
Arcadis is a leading global partner, delivering transformative projects with businesses, cities and industries. With 36,000 people active in more than 30 countries, we bring together the best minds from around the world to deliver intelligent products and solutions that address the challenges of climate, energy security and diversification, and livable cities. We take design, engineering, architecture and consultancy to the next level, advising clients at every step of every project. From strategy and planning through to implementation and delivery, we combine our human and digital intelligence to co-create environments that reflect our clients’ business and stakeholder needs. From creating a citywide sustainable legacy during and after the Paris Olympics to revolutionizing urban transit worldwide with metro systems from Sydney to Toronto, or securing clean drinking water for communities across more than 30 U.S. states, our world-changing solutions leave a positive and lasting impact. Our work has helped more than a third of the world's communities become more resilient, and hundreds of clients to advance their decarbonization and net-zero goals. Together, we are committed to solving today's greatest problems; creating a blueprint for a better future, designed to thrive. Arcadis. Improving quality of life.
About the Role

 

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

Role description:

Arcadis is looking for Traffic and Transportation Engineering Intern to join our team in Seattle, WA.

In this position, you will assist our growing traffic and ITS group in conducting traffic studies, utilizing data to identify operational and safety needs, preparing plans, and CAV corridor planning. You will have the opportunity to work alongside project managers and senior engineers to gain a better understanding of the transportation industry and to further develop their technical skills.

Working within our Design & Engineering teams, you'll create some of the world’s most iconic and ground-breaking structures and spaces that transform the world around us, from making journeys easier to opening public places that bring people together. 

The role sits within our global business area Mobility. We partner with our clients across the globe to design thriving and connected cities and communities that enable opportunity for all and keep the world moving. Climate change, urbanization and digitization trends are requiring today’s mobility projects and systems to address an evolving set of demands from the world’s growing population. We design connected, sustainable solutions that integrate existing infrastructure with new technologies, and optimize the mobility of people and goods

Role accountabilities:

As a Traffic and Transportation Intern you will:

Use your interest in traffic engineering/ planning, intelligent transportation systems, transportation modeling (micro, meso, and macro), and traffic operations to work with our Mobility Group. 

The ideal candidate will have Experience/ familiarity with CAD, Synchro, VISSIM &/or Sidra

What will you do?

  • Conduct safety and operational analysis for intersections and corridors
  • Utilize big data sources to identify safety and operational needs
  • Provide program support functions for large engineering programs across the Southeast
  • Perform CAD assignments, including the creation of engineering documents, figures, and incorporation of engineer’s markups
  • Develop traffic simulations models using platforms such as Synchro, VISSIM, and Sidra
  • Work with senior engineers to develop and implement improved signal timing plans
  • Assist with researching engineering standards, traffic operation, simulation, and safety as well as research and implementation of smart infrastructure and CAV technologies in programs and corridors
  • Work with other disciplines such as survey, roadway design, and environmental to increase engineering knowledge and facilitate successful project delivery

Qualifications & Experience:

Required Qualifications:

Seeking a degree in civil or transportation engineering 

Preferred Qualifications:

  • Prior internship experience in engineering consulting or DOT

Why Arcadis?

We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Join Arcadis. Create a Legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity and affirmative action employer. Women, minorities, people with disabilities and veterans are strongly encouraged to apply. We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.

Arcadis offers benefits for full time and part time positions. These benefits include medical, dental, and vision, EAP,  401K, STD, LTD, AD&D, life insurance, paid parental leave, reward & recognition program and optional benefits including wellbeing benefits, adoption assistance and tuition reimbursement.  We offer nine paid holidays and 15 days PTO that accrue per year. The salary range for this position is $20.64 - $30.97. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.

 

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#Mobility-ANA-Jobs

#EarlycareersANA


 

Key Skills
Traffic EngineeringTraffic PlanningIntelligent Transportation SystemsTransportation ModelingTraffic OperationsCADSynchroVISSIMSidraSafety AnalysisOperational AnalysisTraffic SimulationsSignal Timing PlansEngineering StandardsSmart InfrastructureCAV Technologies
Categories
TransportationEngineeringEnvironmental & SustainabilityConsultingLogistics
Benefits
MedicalDentalVisionEAP401KSTDLTDAD&DLife InsurancePaid Parental LeaveReward & Recognition ProgramWellbeing BenefitsAdoption AssistanceTuition ReimbursementPaid HolidaysPTO