A closer look
When you are heavily delayed on a subway platform, three minutes can agonizingly stretch out to feel like half an hour. Transport psychologists have discovered that unpredictable waits inherently trigger sharp spikes of stress and perceived time dilation. Without clear countdown clocks, your brain continuously prepares for the train's imminent arrival, burning emotional energy. Once transport authorities installed highly accurate digital arrival boards, passenger complaints plummeted, even though the trains weren't actually any faster.
