It’s been a long day at work — or a long night out — and as you take your seat on the Tube, you close your eyes for just a moment.
Before you know it, you’re waking up on a section of the Northern line you’ve only ever seen on the map.
The situation is even worse if you’re on a train, and you end up in the wrong county.
At best, it means retracing your steps, at worse, it’s a hefty Uber...


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