Traffic Engineering Intern / Co-op - Fall 2026

Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs throughout the U.S. and around the world. Our employees collaborate seamlessly among 50+ offices and gain valuable hands-on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work.

Consistently ranked among the top ten “Best Firms to Work For” and Engineering News-Record’s top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.Job Summary Langan is seeking a Traffic/Transportation Co-op to join its collaborative team in one of our Midwest offices (Chicago, IL, Cleveland, OH, or Pittsburgh, PA). This individual will serve a key function in providing assistance with Traffic/Transportation project work. In this role, you will have the opportunity to get exposure to: transportation impact studies, parking studies, traffic event management for large stadiums, transportation master planning, traffic signal design, and Highway Occupancy Permit (HOP) plans & designs. Assignments may involve field work, technical report preparation and calculations, preparation of figures & other graphics, data collection, and assistance to the Site/Civil group as needed. Job Responsibilities

Perform traffic observation; Prepare technical reports, calculations, design plan