Urban Tech Links: UTL

UTL is about exploring past, present and future urban technologies in science and fiction, etc...

Sunday, November 2, 2025

How do you run trains under Paris and in the Île-de-France region? RER

 https://www.youtube.com/watch?v=xylmrycsSW8 , https://www.ratp.fr/plan-rer 

https://en.wikipedia.org/wiki/Rseau_Express_Regional

A Transit System of EPIC Proportions | Paris RER https://www.youtube.com/watch?v=6afb6uv1V1Y 

https://en.wikipedia.org/wiki/R%C3%A9seau_Express_R%C3%A9gional#Rolling_stock

Posted by JF at 11:33 PM
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From Urban legends to facts about technology, people & places.

Every building, person & invention has a story that may intersect with coincidence, synchronicity or serendipity.

From The_Ghost_in_the_Machine, to things in general, technology & reality always has the potential to be like a double-edged+sword. (-/+)

::

This is a blog network that mostly provides links to various web sites & topics. Its more like a reference directory & less of a place for my commentary. It consists of several links from people with various points of view. Thus, its full of data & speculation from a multitude of sources. While many parts of this blog are updated, other sections might just contain a few lines of information from first posting. Some of these sections may parallel, or intersect with other parts that are not always in a linear order. Anything can be dismissed as coincidence, or perceived as Synchronicity, depending upon ones level of awareness & curiosity.

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JF
This is a general reference blog that links up to several things in addition to science & fiction, the esoteric & the mysterious. It's where mythology & technology, science & fiction, coincidence & synchronicity, occasionally merge. A vast amount of websites are referenced here so that visitors can see & compare various perspectives.
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