System Design, Integration and Installation of 11 Centralized Dynamic Message Signs (DMS) - 2014, Contract No: DCKA-2012-B-0076, Citywide, Washington, DC


  • Construction Inspection Services
  • On-Site Support


Sabra & Associates, Inc. (SAI) has been responsible for providing construction inspection services and ITS Project Management services for DDOT. The scope entailed inspection of the MOT, sign foundations, and installation of Dynamic Message Signs (DMS) at eleven locations on freeways and expressways. In addition to these services, SWA also performed factory testing and system integration field testing.


Inspection of Installation includes:

  • Concrete testing
  • Traffic Control Signals
  • Hazards Identification Beacons
  • Intersection Control Beacons
  • Overhead Truss Sign Structures
  • Cantilever Sign Structures
  • Communications Systems
  • Factory Acceptance Testing (FAT)
  • Fiber optic Interconnect Systems
  • Electrical Service Equipment
  • Work Zone Traffic Control

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

2018 Sabra & Associates, Inc. | All rights reserved | Contact us