Mta definitionsdocx - Study guides, Class notes & Summaries

Block - correct answer A length of track of defined limits, the use of which is governed by block signals, block limit signals, automatic speed control or any combination thereof Automatic Block Signal System - correct answer A block signal system wherein the use of each block is governed by an automatic block signal, the cab signal indicator or both Automatic Speed Control System - correct answer A System so arranged that its operation will automatically result in the following: A full se...