| 摘要 |
<p>A Signal Train Track Level Crossing characterized by two adjacent track- 52U and track-52D shown in Fig. 1 and Fig. 2 with their rail-38A & rail-38B and rail-38C &. rail-38D for the train-51U & train-51D running between station-46R and station-46L; wherein the track-52D derailed and the train-51D running on it over toppled on adjacent track-52U resulting its all green bulbs-5R lighting prior to over toppling become off suddenly of the entire track-52D which were visualized by the other trains-51U driver who stopped his train-51U immediately and thereby the siren-44 fitted on either stations 46R and 46L start sounding alerting the either sides station masters to rescue operations. When both the said tracks damaged by the bombardment including the derailment also then the two sirens-44 on either stations start sounding vigorously and if the drivers at a safe distance they stop their said trains after visualizing the tragic sudden off all the said bulbs. In case any of the track derailed, the bulbs-5G or bubs 5R become off who can stop their their train even to avoid the over toppling.</p> |
