Here we can display 2 separate kml files.
We can also add an option to turn each lay on or off.
We can override the default colours, weight and line style.
Finally we can pull out some of the description in the popup.
The map source here is Leaflet, with minimal adverts for local businesses.
(Please note: Core Paths … can be anything from a tarmac path to a grassy field margin and this variety is important to provide different experiences for users.)