For your personal use, you can find moderately high resolution versions of all the posters here, allowing you to read the captions and see exactly where the lines go.
If you have a specific need for even high resolution (e.g. if you are planning to open a new route), don't hesitate to send me a message.
Note: Please don't make prints from these files (the quality won't be very good anyway). If you really like the project, please support my work by ordering some posters.