I am founding a startup looking to use modern tunneling tech like horizontal directional drilling and pipe-jacking to build networks of tunnels under major citi

I am founding a startup looking to use modern tunneling tech like horizontal directional drilling and pipe-jacking to build networks of tunnels under major cities to allow high speed "just in time" deliveries using small autonomous vehicles. These would deliver packages, groceries and takeaway meals. Looking for cofounders/enthusiasts - see: https://news.ycombinator.com/item?id=19131135 https://news.ycombinator.com/item?id=19131135