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kleinengineering psc

Safe Roads Save Lives

Klein Engineering, PSC is a professional corporation specializing in surface transportation and traffic engineering, highway safety, and civil site design, serving public and private customers. Our team provides innovative solutions to complex engineering projects using a context-sensitive approach and engineering best practices with a focus on safety and efficiency for all users, in pursuit of the goal of having zero deaths on the road.


Driven by our values

We live to serve others and value everyone for who they are. We look to a bright future, always remembering where we come from,  leading the way with our ethics and integrity. Whether working as a local company or a global endeavor, Klein Engineering, PSC will always remain true to its core values to deliver the highest quality work aligned with our customer’s expectations.

We Welcome to the Team

Sonya I. Viera-Colón, E.I.T. has over 20 years of experience in various engineering consulting positions. She is a dedicated and goal-oriented professional who continuously attempts to achieve higher standards in every task undertaken.

As a transportation engineer, Sonya has provided and directed services in traffic operation analyses, traffic impact studies, and alternative analyses to public and private industries in the Washington DC Metropolitan Area (i.e. District of Columbia, Maryland, and Virginia). She has also worked in parking studies, corridor analyses, and long-range transportation plans in Mexico, Puerto Rico, and Delaware. Sonya’s experience includes traffic signal and intersection improvement plans as well as temporary traffic control designs in Washington, DC and Puerto Rico.

Mrs. Viera-Colón holds a Bachelor of Science in Civil Engineering from the University of Puerto Rico at Mayagüez and a Master of Science in Civil Engineering from the University of Maryland at College Park.

Sonya is a Project Engineer at Klein Engineering, PSC. She continuously looks for practical solutions and tools to improve the quality of engineering projects, resulting in cost-effective benefits to customers and to communities.

Interested in Working Together?

Let’s connect! Klein Engineering, PSC currently has offices in Fairfax, Virginia; Orlando, Florida; and San Juan, Puerto Rico. Please contact us for more information.