EDUCATION AND COMMUNICATIONS|communications · TRANSPORT · TRANSPORT|land transport|land transport
- córas uathoibríoch na gcomharthaí bloc Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- automatic block signal system
- en
- Definition a system to provide safe movement of transport vehicles along a guideway,whereby a series of consecutive sections of guideway,i.e.,blocks,are governed by block signals,cab signals,or both,actuated by occupancy of the track or by certain conditions affecting the use of a block,such as open points or a car standing on a turnout and blocking the main point Reference Dict.Public Transport,Alba 1981