Under the Sea Tunnel-New Zealand, Cost 1.4 Billion dollars, opened in 2017

This video shows you the well planned and well spreadout network of Motorways in New Zealand, you can get familiarized with the roads in this beautiful country watching this video

[@dhwarakhanathansanthanakri1050]

Engineering marvel....amazing👍

[@colonelstravels8385]

Yes, quite a broad tunnel with three lanes each way and I found number of exits in the tunnel through which one can walk through in case of any emergency