Clansman
Established Member
They won't need them when the HSTs are all in service, and there's no other route that they don't work where they'd be of benefit to cascade to in Scotland. Transport Scotland run ScotRail, not the DfT per se, as transport is mostly devolved to Scotland from Westminster. Transport Scotland opted to negotiate and extend the leases of another 13 that were originally due to go off-lease also, so that pretty much adds flexibility into the fleet that many were concerned would be lost. Though in hindsight there would have been benefit to having one or two more staying (re replace Fife LHCS, more flexibility for Leven etc). Whether this was taken into account is another question.Still I don't understand why Scotrail cascaded ~25 of them, I assume it was a DfT directive (someone correct me?).
Remember that a doubled 170 has fewer seats, less acceleration, and less luggage capacity than a treble 158 and 156. If you sub in a 170 and remove a 158 or 156 in its place, you are effectively removing vital peak time capacity at the expense of enhancing off peak capacity by around 30 seats. Definitley not worth it given the highly elastic passenger volumes of the likes of Fife and East Kilbride. 170s will be the mainstay of regional runs from Glasgow/Edinburgh to Perth/Dundee/Arbroath, where they are better suited to complementing IC7 runs by doubling the frequency between these stations as planned.There are still services which run with 170s and sprinters which could be entirely 170s though.
It makes logistical sense for ScotRail to keep the sprinters over the 170s, as replacing sprinters with 170s would create more issues and solve absolutely none.
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