Canada has quietly been linking and constructing walking trails so that now it has a continuous trail that is over 20,000km long! We could so easily employ otherwise indolent folk on such a worthy national project here in Australia.
Much as I have been doing with this: http://www.theultralighthiker.com/upper-yarra-track-map/
or plan to do with this: http://www.theultralighthiker.com/the-great-gippsland-circuit/
See: https://thegreattrail.ca/