Look for a map ( Washington Metro)
Copy with Snagit or printscreen and save.
Edit the map with Gimp or some other image editor: copy a part, delete it an past a new part in the same place, with name of metro station or part of line.
![map2](https://clmoocmb.educatorinnovator.org/2014/wp-content/uploads/2014/06/map2.jpg)
You could write down names of stations that would show on your map.