Traffic Engineering Intern

HDRHDRIrvine, California, United States | Long Beach, California, United States | Los Angeles, California, United States
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Posted

9/25/2026

Employment

Part time, Internship, Temporary

Range

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Work style

On-site

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20h/week

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AI summary

Core responsibilities

The intern will perform traffic engineering tasks such as LOS analysis, traffic forecast modeling, and parking studies. They will also assist with field work and the preparation of traffic impact analyses for various transportation projects.

Requirements overview

Candidates must be currently enrolled in an undergraduate or graduate engineering program with a focus on traffic or civil engineering. Strong attention to detail, problem-solving skills, and familiarity with industry-standard software like Synchro and AutoCAD are required.

Key skills

Traffic engineeringSynchroGISAutoCADTraffic impact analysisTransportation modelingIntersection analysisMicrostationSimTrafficHCM 2010HCSVissimTraffic signal designProblem-solvingCommunication skillsMicrosoft Office

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Education requirements

bachelor degree

About HDR

Industry

Design Services

Employees

17,975

Type

Privately Held

Size

10,001+ employees

HDR is an employee-owned design firm specializing in engineering, architecture, environmental and construction services. We’re ranked No. 6 among the world’s design firms and we’re the largest healthcare design firm. Led by the strength of our values and a culture shaped by employee ownership, we network with each other, build on each other’s contributions, and collaborate together to make great things possible. When you join HDR, we give you license to do the same. We help you take charge of your career, giving you multiple growth opportunities along the way. So, what are you waiting for? Come grow with us.

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Job categories

EngineeringTransportationConstructionEnvironmental & SustainabilityConsulting

Description

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' https://www.hdrinc.com/our-story' Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world. We believe transportation is more than movement, it’s the foundation of connected, thriving communities. As part of HDR’s Transportation Business Group, you’ll help shape the systems that move people and goods safely, efficiently, and sustainably. From designing resilient highways and iconic bridges to advancing transit, passenger and freight rail, aviation, federal transportation ports and marine infrastructure, your work will directly support economic vitality, public safety, sustainable and resilient communities and quality of life. We bring together planners, engineers, architects, construction management staff, environmental, strategic communications, economists, management consultants and specialists across disciplines to solve complex mobility challenges with innovation, technical excellence, and a deep understanding of community needs. Whether you're modernizing aging infrastructure or pioneering next-generation transportation solutions, your contributions will help define the future of mobility. This isn’t just a job, it’s a chance to lead progress, drive meaningful impact, and leave a legacy of smarter, more connected transportation networks. We are all employee-owners at HDR, which is the foundation of our collaborative culture that connects employees around the world. In the role of Traffic Engineering Intern, we'll count on you to: Complete LOS analysis for selected intersections (Synchro) Assist with traffic forecast modeling Complete projected figures using Geographic Information Systems and AutoCad Conduct parking studies to analyze potential parking impacts to neighborhoods near the Project Area Conduct intersection and segment LOS analysis and project trip generation estimates Perform traffic impact analysis as part of a CEQA/NEPA level EIR or preliminary engineering study Conduct intersection LOS analysis, project trip generation estimates, and the determination of cumulative impacts Conduct field work to record intersection and traffic signal design. The ideal candidate will commit up to 20 hours per week on-site, working alongside and receiving mentorship from a licensed engineer. This position does not offer remote work. Preferred Qualifications Field of Concentration – Civil and Transportation Engineering, Transportation Operational Analysis, Traffic Engineering Design, Environmental and Urban Planning. The candidate should have a focus on Traffic Engineering as a career including traffic operations, simulation and design. Basic understanding of traffic engineering concepts Graphics experience such as GIS or illustrator would be a plus Interest and experience is needed in knowledge of traffic design standards including signal, ITS, and signing and striping design with Microstation / AutoCAD software Knowledge/interest in Synchro / SimTraffic software, HCM 2010, HCS / Vissim software and Caltrans traffic design/operations analysis standards and procedure Attending an accredited Civil/Transportation Engineering program Prefer 1+years of classes in traffic analysis Strong preference will be given to local candidates who have intern experience in California before graduation Required Qualifications Currently enrolled in an undergraduate or graduate Engineering program Attention to detail Possess strong problem-solving and communication skills Basic Microsoft Office skills An attitude and commitment to being an active participant of our employee-owned culture is a must What We Believe HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve. Our Commitment As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day. Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Requirements

  • •Traffic engineering
  • •Synchro
  • •GIS
  • •AutoCAD
  • •Traffic impact analysis
  • •Transportation modeling
  • •Intersection analysis
  • •Microstation
  • •SimTraffic
  • •HCM 2010
  • •HCS
  • •Vissim
  • •Traffic signal design
  • •Problem-solving
  • •Communication skills
  • •Microsoft Office

Benefits

  • •Employee-owned culture
  • •Inclusive environment
  • •Mentorship
  • •Employee network groups

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