MARC PA/LED Sign Systems Replacement
Baltimore, MD, USA
GLCI provided Design Reviews and Construction Management on this project, for installation of new Customer Information Systems consisting of new Public Address Systems (PA) and Light Emitting Diode (LED) Variable Message Sign (VMS) Systems. Installations included new wiring, amplifiers, speakers and signage devices for the entire MTA MARC system, consisting of three rail road lines. The Brunswick Line consisting of eighteen stations, the PENN Line of eleven stations and the Camden Line of eleven stations. Systems installations in Operations, Facilities and Dispatch were up-graded. GLCI assisted with the implementation of an interface to the MARC TRACKER system, for streaming of real-time train scheduling information to the new LED signs.