CAEN Code 4212: Construction of railways and underground railways
![CAEN Code 4212: Construction of railways and underground railways](https://r2.incorpo.ro/static/caen/4212.webp)
This class includes:
- construction of railways and metros
This class excludes:
- Installation of lighting and electrical signals, see CAEN 4321
- architectural and engineering activities, see 711 - project management for construction, see 711