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A tale of two tracks
Two transit agencies pursue similar projects - with very different levels of transparency Background: Railway double-tracking One of the strengths of railways is that they can handle bi-directional train traffic on a single track, as long as trains pass each other at safe locations. The same cannot be said for most other network systems, like roads, water pipes, or electrical wiring. The flexibility of single-track railways is great for rail operators because it means they ca
Nov 21, 20256 min read


Mexico City is a model of mega-urbanism
Since the end of the coronavirus pandemic, tourism seems to have increased almost everywhere I go. The small alpine village where my parents live is packed with crowds, museums in London and Paris that used to be a breeze now require timed-entry tickets, and already-busy Bali feels like it's bursting at the seams. In a hectic world, I've found that some less famous cities like Taipei and Warsaw are great places to experience good urbanism without the Instagram-fueled crowds.
Sep 27, 20254 min read


A Vision for High-speed Rail in Switzerland
Switzerland is known for, among other things, its trains. They're frequent, punctual, and reliable and because they're good, the Swiss...
Sep 14, 20255 min read
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