Many of the signal failures are a bit of a nuisance, but some cause major delays. Signal failures account for a third of all delays, according to Jonas Bruce, and in total in the last year there have been about 6,800 train disruptors.

How can there be fewer signal errors?

– through the modernisation of the entire rail system; A major project is underway to replace the entire signalling system.

But it will take longer than the Swedish Transport Administration first anticipated, according to a review that the authority announced in December.

Start the clip and hear Jonas Bruce talk about what can be behind a signal failure.