this post was submitted on 03 Jan 2026
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After such an insane day like today (for future reference, Trump had the US attack Venezuela and kidnapped their president in yet another abuse of power ) I needed some distractions and went to Digitalt Museum again and found this...

This is a drawing of three electrical train cars that was used on the Djursholmsbanan branch of the Roslagsbanan rail network.

Roslagsbanan is interesting, not only because I grew up with it, but for several other reasons.

The track gauge is 891mm, formerly a common narrow gauge track standard in Sweden, the actual measurement at the time was 3 fot, or three Swedish feet. Roslagsbanan is still operating normal passenger service, and is the only 891mm railroad in the world to do so.

Djursholmsbanan was one of the first railroads to use electrical power to power passenger trains.

Roslagsbanan, or "Stockholm-Roslagens Järnvägar", SRJ, as it was named during it's peak, was a surprisingly vast network, from the center of Stockholm in the south to Lövstabruk far north of Uppsala. Most of the network has long since been closed or converted to standard gauge (1435mm).

The Uppsala-Faringe line was preserved as a heritage railroad, and the heritage rail society runs plenty of trains of different types over the summer, highly recommended if you are in Uppsala.

Oh, I almost forgot, the artist of the drawing is unknown, but the artwork is released by the museum as CC-BY-NC

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[–] m_f@discuss.online 1 points 4 days ago (1 children)

If it's the only 891mm railroad still operating, does that mean it's separated into its own system, or are there adapters that make it easy for those trains to use normal gauges, or normal trains to use that track?

[–] stoy@lemmy.zip 2 points 4 days ago

891mm was quite a common gauge in Sweden for a while, but is was never at a national level.

There were some sections that had three rails so you could run both 1435mm and 891mm on the same section, but these sections were at stations where both gauges were needed at the same spot.

As far as I know there were never any gauge switching on Roslagsbanan, there were some transfer cars, but I don't remember is it was to move 1435mm on 891mm or vice versa