LIRR SIGNAL ASSISTANT EXAM Q&A (VERIFIED ANSWERS) 2025/2026  

Block-limit signal - ANSWERSA fixed signal indicating the limit of the block, the use of which is governed by manual block signal system rules. Block signal - ANSWERSA fixed signal or hand signal in the absence of a fixed signal, at the entrance to a block that governs trains using that block. Distant signal - ANSWERSA fixed signal used to govern the approach to a home signal. Home signal - ANSWERSA fixed signal that displays stop as its most restrictive aspect and governs the entrance to a route or block. Foul time - ANSWERSA method of establishing working limits on a Main track, secondary track or siding in which a roadway worker is notified by the train dispatcher through the block operator that no trains will operate within the working limits established on that track until the roadway work reports clear of the track. Block - ANSWERSA 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. Slow speed - ANSWERSA speed not exceeding 15 mph, except in ASC territory, train will be governed by speed displayed on the cab signal indicator not to exceed 30 mph. Absolute block - ANSWERSA block established between block stations, block limit stations, interlockings or any combination thereof which must not be occupied by more than one train except as provided by the rules.