Supplementing and Updating TCRP Report 52: Joint Operation of Light Rail Transit or Diesel Multiple Unit Vehicles with Railroads

TRB’s Transit Cooperative Research Program (TCRP) Research Results Digest 43: Supplementing and Updating TCRP Report 52: Joint Operation of Light Rail Transit or Diesel Multiple Unit Vehicles with Railroads supplements and updates TCRP Report 52, “Joint Operation of Light Rail Transit or Diesel Multiple Unit Vehicles with Railroads,” published in May 1999. This digest updates information in TCRP Report 52 to recognize the Federal Railroad Administration (FRA) and Federal Transit Administration (FTA) joint statement of policy concerning shared use issued in July 2000, provides supplemental information concerning the international experience with joint operation, and updates a discussion of the key issues and conclusions. As in the case of TCRP Report 52, this digest defines joint operation as commingled, simultaneous train operation on shared track by railroad trains (freight, passenger, or both) and rail transit vehicles that are not fully compliant with current FRA regulations.