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first use of flat-bottomed rail
After the mid-20th century, Britain’s railway network moved over to using flat-bottom rail. This sits directly on the sleepers without the need for chairs, and is held by to the sleepers using Pandrol clips. Some flatFlat-bottom bottomed rail can be seen was first used on the SVRin 1979 when relaying the section between Bridgnorth and Knowlesands<ref>SVR News 57 and 60</ref>, it can now be seen elsewhere including the section near [[Country Park Halt]](see picture below).
The 1960s track acquired by the SVR from BR predominantly used wooden sleepers, many of which were in less than ideal condition. Although wooden sleepers have generally been retained in stations for aesthetic purposes, the rest of the line has been re-laid over the years using more modern concrete, or rarely steel, sleepers. A substantial portion of the relaying at the north end of the line was done during the 1970s with the aid of labour funded by Manpower Service Commission.
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