[2020] Cant build metro tunnels

Those holes are caused by broken mods. To fix it, you need to remove the broken mods. Broken ones include these, so remove any of these you have!

- Fine Road Tool (original, version 2 works fine)
- Fine Road Anarchy (original, version 2 works fine)
- Road Anarchy
- Road Anarchy 2
- Advanced Road Anarchy
- Sharp Junction Angles
- Low Bridges High Dams

If you don't have any of those, we'll need to know what mods you have. You can also check all your mods against this list of known broken and incompatible mods.

https://docs.google.com/spreadsheets/d/1mVFkj_7ij4FLzKs2QJaONNmb9Z-SRqUeG6xFGqEX1ew/edit#gid=0

Yes, Fine Road Tool 2 and Fine Road Anarchy 2 work