Colors were sampled from official rapid transit diagrams* of every system in the world and charted in several ways to explore how each city has used them to color code each line or service. Rapid transit systems include subways, metros, undergrounds, railways, etc. operating frequently in …

Nov 17, 2021 · This page details the colors utilized on this website as provided by official sources, arranged by city. Only cities with published and easily accessible color schemes are listed here. This page is explicitly a data bank containing publicly available information. The contents of this page may become out of date at any time.

Mar 21, 2017 · Metrorail's simple color designation for line names makes it easy to use. Image by Adam Fagen licensed under Creative Commons. There are numerous ways to distinguish transit lines, including using unique names or symbols. Here and many places elsewhere, our subway goes with colors.

The result is Colors of the Rails, colors collected of official diagrams of metro lines and combined into a single graphic grouped by color family. Box sizes are based on the number of stations served by that line.

Apr 18, 2018 · Broadly speaking, there are two basic schemes: 'route colouring', in which each end-to-end route has a distinct colour, and 'trunk colouring', in which each major trunk has a distinct colour,...

Jan 31, 2018 · To maximize color differences—here, in metro maps—we need a way to measure them and argue about colors objectively. For this we describe them as tuples of numbers by using some coordinate...

Color-coded stations are grouped based on express stations or local stations, letting users know when to transfer. While almost all new subway stations feature their own colors now, some lines...

There are numerous ways to distinguish transit lines, including using unique names or symbols. Here and many places elsewhere, our subway goes with colors. That’s because colors are a simple and user-friendly way to organize a system.

Sep 29, 2015 · Question: What are the most common “line colors” for transit lines? I’ve heard of blue lines, red lines, yellow/green/silver/purple/orange/pink lines, but is there anything I’m missing? Once a transit system gets over that amount …

Feb 12, 2018 · Scientific American reprints a 2016 article from The Mathematical Intelligencer on an obscure, but important, corner of transit map design: how to choose a colour for a metro line.