Stadtbahn Stuttgart uses “normal track width” of 1435 Millimeter. They transitioned from a much smaller track width several decades ago and used special tracks in the meantime (mixed tracks which supported both track widths). I think this picture may show some leftover mixed track (note that it’s showing a steep climb where exchanging the tracks may not be easy).
Got this info from a quick glance at German Wikipedia. Maybe delve deeper if you’re interested:
EDIT:
Forget most of my post - this is a special track for steep climbs using a special friction track in the middle that is being grabbed by a special wheel under the wagon. Line 10 is the only line in Stadtbahn Stuttgart that uses this feature. Track width indeed is a metre (1000 millimetres).
“special friction track” – No, it doesn’t use friction. It’s a rack and a toothed wheel.
The mixed-gauge track also still exists and is maintained for the historical tram lines on two routes.
Is the track gauge really narrow, or is that just the perspective making it look that way?
Stadtbahn Stuttgart uses “normal track width” of 1435 Millimeter. They transitioned from a much smaller track width several decades ago and used special tracks in the meantime (mixed tracks which supported both track widths). I think this picture may show some leftover mixed track (note that it’s showing a steep climb where exchanging the tracks may not be easy).
Got this info from a quick glance at German Wikipedia. Maybe delve deeper if you’re interested:
https://de.wikipedia.org/wiki/Stadtbahn_Stuttgart
EDIT: Forget most of my post - this is a special track for steep climbs using a special friction track in the middle that is being grabbed by a special wheel under the wagon. Line 10 is the only line in Stadtbahn Stuttgart that uses this feature. Track width indeed is a metre (1000 millimetres).
https://de.wikipedia.org/wiki/Zahnradbahn_Stuttgart
“special friction track” – No, it doesn’t use friction. It’s a rack and a toothed wheel. The mixed-gauge track also still exists and is maintained for the historical tram lines on two routes.
Ahh, interesting. I was wondering what the thing in the middle was. Thanks!
Its Meter gauge