Can't wait for this - should be a lot of fun for fans of Japanese trains. Launches on December 3rd. https://www.gematsu.com/2020/09/densha-de-go-hashirou-yamanote-sen-announced-for-ps4-switch And the trailer here:
Yes, the PS4 is not region locked. If you don't want to buy using a shipper, you can even just create an account on the Japanese PSN and buy it digitally.