Network Rail reports that the national average PPM score for Period 12 to March 4 was 88-8%, up from 87.9% in P11 (RB1528 p7). The national average PPM MAA remained unchanged at 87.6%, while the national average right-time score was up at 64.5% from 62.9°/o in P11. Topping the P12 PPM table with a score of 95%was Mersey-rail. 'We've now topped the league tables eight times in the previous 13 periods', Managing Director Jan Chaudhry-van der Velde told RBI. This was despite the impact of Storm Doris and the extra traffic caused by the closure of all four tracks serving the surface platforms at Liverpool Lime Street (RBI 529 p4).
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