Project will provide for the comprehensive rehabilitation, overhaul, and expansion of communications infrastructure at all CTA rail stations to support new and modern technologies for customer facing as well as life safety functions. The rail station communications infrastructure upgrade will include the upgrade/rehabilitaion/expansion of communications infrasturcture at each rail station, including but not limted to conduit, cabling, power sources, networking, HVAC, grounding, and other ancillary physical infrastructure.