NORTHEAST CORRIDOR HIGH SPEED RAIL PASSENGER SERVICE IMPROVEMENT PROJECT. TASK 4A. SIGNALING AND COMMUNICATIONS

The report includes description of the present signal systems, recommendations and description of the changes required to support high-speed passenger service, and corresponding cost estimates for the Northeast Corridor (Washington, D.C. to Boston, Massachusetts). Recommendations and descriptions cover the areas of proposed signal systems, track circuit requirements, impedance bonds, hazard protection devices, control systems, communications systems, training devices, installation schedule, and estimates of costs to procure and install such systems. Typical construction and installation specifications are included as an appendix.