US Patent 10304308 Transit worker warning system

The disclosed technology comprises a system to provide warning of a rail or vehicle approaching a work area for a transit worker or group of transit workers. In some implementations, the disclosed technology includes a sensor station that detects rail or vehicles approaching the work area, which transmits a warning signal to a safety vest worn by workers. In some implementations, the safety vest has a transceiver to receive the warning signal and activates an alarm mounted to the vest. The alarm may be a flashing light or a vibration that can be felt by the vest wearer.