Engineering & Research


Engineering &Research


SAMMAT is a Traffic/Transportation Engineering and Construction Management company that offers consulting and research services to the public and private owners and contractors. With an extensive period of service, SAMMAT understands the life cycle of infrastructure and addresses clients’ most complex technical, financial and operational challenges. Our teams of professionals deliver a full range of transportation and traffic engineering-related services, including planning, operations, design, program and construction management.Our main philosophy is to exceed our clients’ expectations by applying traffic and transportation engineering principles and standards, good engineering judgment coupled with new and emerging technologies and systems to improve roadway safety. Our culture is defined by integrity, technical excellence and providing quality work on time and on budget to our clients’ satisfaction.



SAMMAT is a certified DBE in MD and CBE, WMATA-DBE certified (DC).





SAMMAT has accomplished professional engineers and technicians who have spent their careers working on projects, programs and policies in traffic and transportation engineering and safety, as well as conducting research on many transportation-related topics.  Below is our partial list of projects:

  1. Northbound Kenilworth Avenue Reconstruction Project; 2016-Present

  2. Citywide Pavement Rehabilitation Project; 2014-Present

  3. DC Downtown West Traffic Data Collection; 2016

  4. DDOT Traffic Safety Support Services; 2010-2012; 2013-Present

  5. Citywide Speed Nexus Study; 2013

  6. On-Call Citywide Traffic Data Collection and Analysis; 2010-2012; 2013-Present

  7. Development of LED Traffic Signal Specifications and Replacement Plan; 2010

  8. Highway Safety Improvement Program – HSIP; 2011-2012; 2014-Present

  9. 2030 Traffic Study for the Town of La Plata; 2010

  10. Traffic Study for Worcester County; 2010

  11. 2030 Traffic Study for Charles County; 2010

  12. Signal Warrant Analyses for DDOT; 2009

  13. CLV Analysis for Intersections in Cecil County; 2009

  14. Review of Engineering Standards for the District of Columbia; 2008

  15. 2008 Crash Data Analyses and Reporting for the District of Columbia; 2008

  16. LED Streetlight Pilot Study; 2008



Year Established




DC Certifications CBE and DBE


MD Certification DBE



For any inquiries, questions or recommendations, please call us or fill out the following form

DC Office

1348 Florida Ave. NW.

Washington, DC 20007

Tel: 240-643-0193

Fax: 240-668-9438

Maryland Address

P.O. Box 780

Mount Airy, MD 21771


To apply for a position with SAMMAT, please send a cover letter along with your resume to:


© 2017 Sammat Services, LLC all rights reserved. Proudly created by DelfinoCo.

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