Future metros, abandoned subways, metro-like urban rail systems, and more
These cities are not listed in the main menu. Some of the pages are nearly empty, while others already contain lots of resources like logos, photos, texts, or maps. Adelaide, Dublin, Liverpool, Portland, Rhine-Ruhr, San Diego, and Zurich are examples. The pages for Pearl River Delta, Randstad, Rhine-Main-Neckar, Rhine-Ruhr and Yangtze River Delta are placeholders for clusters of metro cities and may also contain resources.
