Once upon a time in Scotland.
https://www.bdonline.co.uk/news/building-archives-first-proposals-for-the-glasgow-subway-1887/5122056.article
Building flags the risk of trains colliding in the Glasgow Subway’s narrow tunnels
Thank you. It is amazing what they achieved in 19th century. Hats off.
https://www.bdonline.co.uk/news/building-archives-first-proposals-for-the-glasgow-subway-1887/5122056.article
Building archives: First proposals for the Glasgow Subway, 1887
www.bdonline.co.ukBuilding flags the risk of trains colliding in the Glasgow Subway’s narrow tunnels