[Tagging] Long term detour routes ?(construction, disaster)

[marc marc]

Le 24.11.19 à 04:32, John Willis via Tagging a écrit :
> Levees have construction projects that can be years in length (building
> a new sluice gate, enlarging the levee), and the route is detoured
> around this construction. 

if the itinerary is modified for years, I would modify the main
relation, it is not an alternative route