Doctor Yellow

Doctor Yellow are a group of Japanese trains which are used to test the condition of Shinkansen high-speed train lines. The trains check the tracks on the ground and also the wires which run above the trains. Their name comes from their unusual equipment onboard "Doctor", and the color that they are painted in "Yellow". The color scheme was made from reversing the color scheme (blue with a yellow stripe) used on test trains on non-high speed lines into yellow with a blue stripe.

The trains can go as fast as normal shinkansen trains, up to 270 km/h on the Tōkaidō Shinkansen.

  • JR West Class 922 "Yellow Liner"
  • Class 923 JR West
  • Class 925/0 JR East
  • Class 925/10 JR East
  • A Preserved Class 922 at SCMaglev
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