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Under the safety mandate for wayside detection technology, the Federal Railroad Administration (FRA) has contributed to the development and deployment of various such technologies under its wayside detection research program. The goal of this project was to assess the state of major wayside...
Several research and field applications have backed the crib circuit (CC) (i.e., installed between two ties) for vertical wheel load measurement. However, no studies have explored whether the tie circuit (i.e., installed on top of a tie) is valid for rail-tie interface force measurement. Thus,...
The existing Walk Bridge carries four tracks of Metro-North Railroad’s (MNR) New Haven Line (NHL), which runs between New Haven, Connecticut and Mount Vernon, New York, and is part of the Northeast Corridor (NEC). The NHL is currently used for MNR’s commuter rail service, Amtrak passenger rail service, and freight rail service operated by the Providence and Worcester Railroad. The NHL right of way (ROW) and rail infrastructure within Connecticut, including Walk Bridge, are owned by the State of Connecticut, and maintained by the Connecticut Department of Transportation (CTDOT).