ON THIS LINK

And they have snapped, accidentally, dozens of those carriers' lines, because even not-so-secret commercial lines sometimes don't show up on utility maps. Goguen, the utility manager, estimates that the rail project has already hit three dozen lines, sometimes doing no damage and other times grinding work to a halt or cutting power to retailers along Route 7. Even after extensively researching land records and maps and digging more than 600 test holes to determine utility locations, it's hard to avoid accidents on a project of such complexity and in such a busy place, he said.

Voilà ce qui se passe quand on fait de l'agile : ça sprinte, ça sprinte, et 3 ans après, il faut un démineur :-)