Shrewsbury TMD is a railway Traction Maintenance Depot (TMD) situated in Coleham, Shrewsbury, England. The TMD forms part of Coleham Depot, a permanent way depot operated by Network Rail. The code for the TMD is 'SB'.[1]
The depot is situated at Sutton Bridge Junction, just north of the signal box there, approximately 500m to the south of Shrewsbury railway station. At this junction the Cambrian Line connects with the Welsh Marches Line.
The traction maintenance depot was constructed in 2008 on the site of rarely used permanent way sidings. It has been constructed as part of the ERTMS project on the Cambrian Line. The depot became the base for Network Rail 97/3s (former Class 37 locomotives) for ERTMS testing on the Cambrian Line. The locomotives arrived in 2009 (see the allocation section below).
The new maintenance depot consists of a single-road inspection shed with an additional siding to one side to run round locomotives/store additional locomotives. There is also a small gantry. The site is fenced off from the main running line adjacent to it and is connected with the adjoining permanent way depot.
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Although not always stabled at Coleham (sometimes one or more of the 37s are stabled at other locations, including Machynlleth) the four class 97/3s which are now regularly present here are:
The Coleham Depot is the second location in Shrewsbury to have a depot code (since privatisation), the other being the long established Abbey Foregate Yard with 'SX'. This yard, located adjacent to Severn Bridge Junction at the southeast end of the station, is currently used for the stabling of DMUs by Arriva Trains Wales and London Midland.[2] There are no locomotives or shunters allocated at Abbey Foregate.