Why does Internet not work on train?

As the train zips along, its routers must keep up by hopping from tower to tower. A gap between sites can interrupt service. On stretches with underdeveloped infrastructure, such as rural areas, passengers will find themselves time-traveling to a pre-internet era.



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As the train zips along, its routers must keep up by hopping from tower to tower. A gap between sites can interrupt service. On stretches with underdeveloped infrastructure, such as rural areas, passengers will find themselves time-traveling to a pre-internet era.

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In general, a signal booster will improve the strength of your Wi-Fi by up to 32x. However, it's important to highlight that signal boosters don't create signals on their own. Therefore, you will need to have a Wi-Fi hotspot from your smartphone or a dedicated router.

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How the Internet of Trains Works. Essentially, many sensors are placed all over a train. These sensors monitor the train's engine temperature, whether doors are closed or open, rail vibrations, and more. Cameras are also placed on the outside of the train where image data is sent back to the system for interpretation.

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  • Acela.
  • Adirondack (not available in Canada)
  • Amtrak Cascades (not available in Canada)
  • Amtrak Hartford Line.
  • Auto Train.
  • Blue Water.
  • Capitol Corridor.
  • Cardinal.


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A low-voltage electric current is sent between the two rails via a series of relays like the ones in this photo. When a train approaches, the current runs through the train's metal wheels and axles instead of the relays. This short circuit activates the crossing signal.

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If your phone battery has died, you will be unable to retrieve your mobile ticket. Therefore, you will have to purchase a new ticket for the journey you wish to make.

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With the advent of 5G, cellular technology has evolved to a point where truly digitalised rolling stock becomes possible. Up to 100x faster than its 4G predecessor, 5G will be critical to the success of real-time operations on-board trains. But, how does train-to-ground communication actually work?

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