{"version":"1.0","type":"link","title":"Solid State Interlocking - Newikis","description":"Solid State Interlocking (SSI) is the brand name of the first generation processor-based interlocking developed in the 1980s by British Rail's Research Division, GEC-General Signal and Westinghouse Signals Ltd in the UK. It was a forerunner to the modern computer-based interlocking (CBI) systems in…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/en/a/a3/SSI_Interlocking.JPG","thumbnail_width":246,"thumbnail_height":596}