SIGNET’s Transportation Systems Division specializes in the application and implementation of technology based solutions in support of the Transportation Industry (Rail, Fleet, Air, Ports, and ITS).

We provide our clients with technologically advanced solutions that feature safety and cost effectiveness. Our design philosophy embraces the concept of open systems architecture, and we incorporate maintainability, reliability, and scalability in order to maximize our clients’ investment in infrastructure.


A typical transportation project would entail the delivery of multi-tiered services such as Design, Engineering, Project Management, QA/QC, Assembly, Installation, Turn-up, Testing, Training, Warranty, and Post Warranty services.

SIGNET and its professional team members have worked with many of America’s largest Transportation Companies/Agencies including:

  • United States Department of Transportation – Cambridge, MA
  • United States Border Patrol – Calais, ME
  • Massachusetts Department of Transportation – Boston, MA
  • Rhode Island Turnpike and Bridge Authority – Jamestown, RI
  • Logan International Airport – Boston, MA – Multiple Projects
  • Manchester-Boston Regional Airport – Manchester, NH
  • Bangor International Airport – Bangor, ME
  • Nantucket Airport – Nantucket, MA
  • Dallas Fort Worth International Airport – Multiple Projects
  • Massachusetts Bay Transportation Authority (MBTA) – Multiple Projects
  • Massachusetts Bay Commuter Rail (MBCR) – Multiple Projects
  • Amtrak
  • New York City Transit Authority (NYCTA) – New York
  • Long Island Railroad (LIRR) – New York
  • Metro-North Railroad (MNR) – New York, Connecticut
  • Port Authority Trans Hudson (PATH) – New York, New Jersey
  • LA Metro – Los Angeles, CA
  • Dallas Area Rapid Transit (DART) – Multiple Projects
  • Tri-Met – Portland OR – Multiple Projects
  • Metro-Link – St. Louis, MO – Multiple Projects
  • NJT – New Jersey Transit – Multiple Projects
  • SNJRT – Southern New Jersey Rail Transit
  • MTA – Baltimore, MD – Multiple Projects
  • Port Authority Allegheny County – Pittsburgh, PA
  • Tren Urbano – San Juan, Puerto Rico

The following is a partial list detailing Communications Solutions we provide to the Transportation Industry:

  • Fiber Optic Backbone Networks (Including SONET and GIG-E)
  • Wide Area and Local Area Networking
  • Operations and Control Centers
  • Network Management System
  • Wireless Communications
  • Engineered Radio Communications
  • Supervisory Control and Data Acquisition – (SCADA)
  • Power Systems
  • Positive Train Control (PTC)
  • Public Address/Passenger Information Displays
  • Train Arrival Announcement Systems
  • VoIP & Specialized Application Telephone Systems
  • Passenger Emergency Intercom/TPSS Blue Light Systems
  • Closed Circuit Television
  • Access Control and Security Systems
  • Tunnel Portal Monitoring Systems (TPMS)
  • Fire Alarm Systems
  • Fare Collection Systems
  • Digital Logging and Recording

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