CAEN Code 4213: Construction of bridges and tunnels
![CAEN Code 4213: Construction of bridges and tunnels](https://r2.incorpo.ro/static/caen/4213.webp)
This class includes:
- construction of bridges, including those for elevated highways - construction of tunnels
This class excludes:
- Installation of lighting and electrical signals, see CAEN 4321
- architectural and engineering activities, see 711 - project management for construction, see 711