4 lane tunnels

 

https://en.wikipedia.org/wiki/Holland_Tunnel 1927

https://www.google.com/maps/place/Holland+Tunnel,+Jersey+City,+NJ+07310,+USA/@40.7298013,-74.03999,854m/data=!3m2!1e3!4b1!4m5!3m4!1s0x89c2575113e5ceef:0xb6736176d194a855!8m2!3d40.7297985!4d-74.0377959

https://en.wikipedia.org/wiki/Queens-Midtown_Tunnel

https://www.google.com/maps/place/Queens+Midtown+Tunnel,+New+York,+NY,+USA/@40.7445188,-73.9648455,16z/data=!4m5!3m4!1s0x0:0xd6a5e14ab158843a!8m2!3d40.7441855!4d-73.9627426

https://en.wikipedia.org/wiki/Queens%E2%80%93Midtown_Tunnel#Mid-Manhattan_Expressway_and_third_tube_plan