Guidance Regarding the Appropriate Process for the Inspection of Highway-Rail Grade Crossing Warning System Pre-emption Interconnection with Highway Traffic Signals
Keywords: S-12-01; Pre-emption Interconnections; Grade Crossing Warning System
Application and Enforcement Guidance Related to Interpretation of Movable Bridge Interlocking of Signal Appliances with Bridge Devices
Keywords: S&TC specialist; signalmen;
Abstract: Regarding Technical Bulletin G-91-14, "Jurisdictional Policy Toward Tourist and Plant Railroads", attached herewith is a subsequest letter from Administrator Carmichael, dated...