SEATTLE — The Burlington Northern and Santa Fe Railway Co. is nearing the end of the line on the installation of a $30 million IP network along a heavily traveled rail corridor in the Seattle area, a ...
This small circuit can be used to control model railway turnouts operated by AC voltages. A logic level in the range of 5–12 V can be used as the control signal. The coils of the turnout are switched ...
Washington Metropolitan Area Transit Authority (WMATA) Metrorail has implemented improvements to its automatic train control and signals program, but “is not carrying out some key safety commitments,” ...
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