7055 Samuel Morse Dr., Ste. 100
Columbia, MD 21046
443-741-3500 | F: 443-741-3700

2017 Sabra, Wang & Associates, Inc. | All rights reserved | Contact us

Why SWA?

It's an honest question that we love to answer.  Because of our integrity, excellence, and tenacity to excel at the highest level.


Since 1998, SWA has delivered cost-effective, efficient, and cutting-edge solutions to clients in the Mid-Atlantic region on the federal, state, and local level as well as in the private sector. We listen to and understand the needs of our clients. We work closely with them and function as extensions of their staff to provide proven and innovative approaches. Our firm’s success is a reflection of our years of experience, knowledge of national and local standards, and long-standing client relationships.

The Principal


Ziad A. Sabra, Ph.D., P.E., PTOE - Executive Vice President & CEO
Dr. Sabra, a principal for Sabra, Wang & Associates, has over 30 years of experience in Transportation Systems Engineering including highways,  transit, traffic, transportation planning,  safety, research and development, computerized signal systems, Advanced Transportation Management systems, and various Intelligent Transportation Systems.

Our Mission

Our mission is to provide quality professional engineering and planning services that exceed our clients’ expectations.


Our Goal

We want to work on meaningful, challenging, and rewarding projects to improve quality of life. We make a difference by developing innovative solutions that enhances public safety and infrastructure.

We've won some awards!


City of Baltimore Signal Retiming – 2015

City of Baltimore Integrated Traffic Management System – 2006

Top 100 Minority Business Enterprise Award - 2012

 US 29 and Briggs Chaney Road Intersection Project – 2008

MD 45 from Stevenson Lane to Northern Parkway Project – 2007

I-495 from Temple Hills Road to MD 5 Project – 2007

Outstanding Customer Service Award to Dr. Ziad Sabra, P.E., PTOE and Mr. Keith Riniker, P.E., PTOE – 2003

"Smart Solution" in advancing intersection design

Charities: A small part of a big difference.