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Doctor Yellow tests bullet train tracks at 170 mph

HERE’S THE INTERESTING PART

Japan built an exclusive, bright yellow high-speed train that runs track diagnostics at 170 mph, but ordinary commuters can never board it. Its rarity has turned it into a mystical unicorn for train spotters, while quietly ensuring the Shinkansen network remains terrifyingly flawless.

Doctor Yellow tests bullet train tracks at 170 mph
STACKY / Transport
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