Five days observation in the Cardiff, Newport and Bristol areas.
Mk 3 and Mk 4 coaches
48136/18137/48102/48121/48120/48119/48150/48127/48126/48148/48147/48146/48142/48141/48140/48107/48108/48109/48143/48144/48145
49112/49108/49109/49116/49103/49117/49115
67008/12217/12324/10312/11325/12446/82216 was on test measuring the gap from the platform to the top step of some of the carriages.(Disabled Access)
11321/10330/12323/12222/11319/11318/12310/12211/11320/10321/12326/12224/12446/11325/10312/12324/12217/12225/12315/10325/11323