Govia Thameslink has biggest PPM decrease in period 2

Rail Technology Magazine - Govia Thameslink Railwaymp;rsquo;s (GTRmp;rsquo;s) performance and punctuality measure (PPM) figures were significantly worse than any other TOC in May 2016, according to Network Railmp;rsquo;s latest data. The companymp;rsquo;s PPM for period 2 of this year was 78.1, the lowest of any TOC and...