How to use the online timer
Crossing to the other platform for the second time, you restart the one-minute countdown while checking the departure board and moving towards the footbridge. The repeat gives you a fresh measure of the short change rather than leaving you to guess how much of the earlier interval remained. Keep your phone visible without letting it distract you from signs, barriers or other passengers.
On that return crossing, the set duration can be changed directly on the page if the route now looks clearer or more congested. A longer setting may suit a distant platform reached through a subway, while a shorter one can match adjacent platforms connected by a nearby bridge. Restarting after the change measures the actual route you are taking, including the walk back.
As you retrace the platform change, treat the display as a precise reference rather than relying on a mechanical timer with a numbered ring. A small twist of such a ring can be hard to judge over a brief interval, particularly when you are also watching the departure board. If the countdown ends mid-crossing, continue safely and use the result to allow more time for the next attempt.
Common questions
What can make this platform change take longer than the set countdown?
A footbridge at the far end, ticket barriers or a busy station concourse can extend the crossing. Engineering work may also divert passengers along a temporary route.
What should I do if I reach the other platform before the countdown finishes?
Stop the countdown and note how much time remained. If you repeat the crossing, shorten the setting to reflect that station layout while leaving room for passenger traffic.
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