Sounds like a Japanese "Kodama Shinkansen" service; an all-stop HSL serviceblanderrr wrote: ↑18 Apr 2020, 11:16 Okay, new idea!
Single decker HSL/sprinter passenger train (similar to the NS ICNG, with some styling cues from the FLIRT3)
When I say sprinter/HSL train, I mean a train that could be used for a limited express type service- high-speed for half the journey, followed by an all stop sprinter run to the terminus.
(https://en.wikipedia.org/wiki/Kodama_(train))