The title does exactly what it says on the tin, taking advantage of MTA's signalling installations on the 1 through 6 lines (and the 42nd Street Shuttle) to determine train arrival times down to the minute.

ENGADGET: MTA app for iPhone offers New Yorkers real-time subway arrivals, a small dose of relief

The sense of subaquatic seclusion is momentarily disturbed with the arrival of a modern train.

BBC: Paris, the inside story

Back home, First is best known as Britain's largest train operator, lambasted for every late arrival in Reading, Bath or Bristol (its biggest route) rather than being lauded for increasing profits in the six months to September last year, despite the credit crunch and a collapsing economy.

ECONOMIST: The man who took the bus from Aberdeen to America

Imagine, he says, walking up to an interactive schedule board in an airport or train station and using gestures to sort through departure and arrival information.

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The traveler stumbles bleary-eyed into the crowded arrival hall, only to face another two- to four-hour journey either by bus or train (a taxi ride would bankrupt an Arab prince) into the city.

CNN: HARD LANDING