Neom is Saudi Arabia's biggest project. A new city simply called `The Line`.

Neom is seeking bids for 31 km tunnel tender. It is very probability that tunnel extend in future. The city is a line, it will extend.

Please read Trade Arabia below

Saudi Arabia's mega project Neom has invited bids for the construction of 31km of tunnels as part of The Line - a 170-km belt of hyper-connected future communities, without cars and roads and built around nature - at its $500-billion city project, according to a report.

http://tradearabia.com/news/CONS_386490.html

They source MEED. Middle East Economic Digest. Good magazine. It want subscription:

https://www.meed.com/neom-tenders-the-line-tunnel-work