Mark Brown is the Manager of Signals and Train Control at AECOM, where they have worked since 2010. With over 30 years of experience, they specialize in the design, verification, construction, and testing of train control signal and communication systems for Railroad and Transit agencies. Brown has extensive expertise in relay and microprocessor interlocking applications, positive train control (PTC), and development of validation test procedures. Previously, they held roles as a Systems Engineer and Senior Systems Engineer at Safetran Systems.
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