Articles in the April issue of Modern Railways were a cogent presentation of the arguments for HS2, but they scarcely made the case for a 300 km/h railway rather than a 200 km/h one. The conclusion to be drawn is that the need is for capacity. It is seems to be taken as given, that the costs of building, equipping and operating a high speed railway, complete with a fleet of bespoke high speed trains for running on Britain’s classic routes, would be little more than those of a conventional railway. Where is the evidence? In addition, there are interest costs that will build up during the ten-year construction period before the first revenue-earning train starts running. The arguments actually presented point to a strategy of providing additional capacity through a rolling programme, mostly by reinstating what was lost in the 1960s, as 200 km/h and local railways, including much of the alignment chosen for HS2 itself. Beyond this, before making firm commitments, the entire deba...