>Tunneling and underground work is a uniquely localized specialty. A national organization that runs underground work is going to still need specialized knowledge for each region both because of local ground conditions and local contracting practices. It is very difficult to export know-how from one area to another. Site sampling/testing practices are not even consistent across regions.
Read the report the article is about. Milan fills this role for the rest of Italy and somehow figures it out just fine.
Read the report the article is about. Milan fills this role for the rest of Italy and somehow figures it out just fine.