Grand Central suffers biggest PPM decrease in period 13

Rail Technology Magazine - Grand Central had the biggest public performance measure (PPM) decrease this month compared to last year, latest figures from Network Rail show. Grand Centralmp;rsquo;s PPM for 6 March to 31 March (period 13) 2016 was 84.2, compared to 91.6 at the same point last year. However, only 11 of...