The shape of things to come passes through Roade cutting. Aventras 730020 and 730001 work the 5Q01 12.30 Oxley Carr MPD to Bletchley TMD testing run. A sub-class of these units, probably wearing the London Northwestern house livery, will be replacing the Class 350/2 units and the elderly Class 319s that are still used for peak services between London and Northampton. However, in an all too familiar tale, delivery was late and testing has thrown up issues that need addressing meaning that their introduction is now extremely late.
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