If you have an id and password for this site you can add a new route and get help with adding routes. If not, and you are a CTC member, find out how to get an id and password. If a route you are interested in is not available to download in a format you want, the GPS Visualizer web site might be able to perform a conversion for you.
Use one of the following links to display entries from the Portsmouth CTC route library (most recent additions are shown first)...
Or search the library..
If you don't find what you are looking for, the GPX search service will try to find GPX files held outside the route library - notably those attached to rides.