{"version":"1.0","type":"link","title":"Interlocking - Newikis","description":"In railway signalling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. In North America, a set of signalling appliances and tracks interlocked together are sometimes collectively referred to…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/e/ed/Des_Plaines_interlocking_tower.jpg","thumbnail_width":800,"thumbnail_height":542}