Square areas show passengers number. Every colour is 20 % of stations in Greater Glasgow urban area.
<a href="//commons.wikimedia.org/wiki/User:Pawe%C5%82S" title="User:PawełS">PawełS</a>
CC BY-SA 2.0
Own work based on: <a rel="nofollow" class="external text" href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>. Rail passengers <a rel="nofollow" class="external free" href="https://dataportal.orr.gov.uk/statistics/usage/estimates-of-station-usage/">https://dataportal.orr.gov.uk/statistics/usage/estimates-of-station-usage/</a>