Halfbakery: vehicle: tunnel
https://www.halfbakery.com/view/fc=10384:s=c:d=iw:dn=100:ds=A:i=Ideas_20are_20sorted_20alphabetically_2e_3cbr_3e_0d_0a_3ccreated_3e:t=vehicle_3a_20tunnel?op=editview
Ideas are sorted alphabetically.<br>
<created>
Halfbakery (mailto:bakesperson@gmail.com)
-
Channel Tunnel Catapult (0.0)
https://www.halfbakery.com/idea/Channel_20Tunnel_20Catapult
-
City Arteries (-0.5)
https://www.halfbakery.com/idea/City_20Arteries
-
electric_post_tube (0.5)
https://www.halfbakery.com/idea/electric_5fpost_5ftube
-
Hawaii Hullabaloo (0.5)
https://www.halfbakery.com/idea/Hawaii_20Hullabaloo
-
Moiré Metro Tunnels (0.5)
https://www.halfbakery.com/idea/Moir_e9_20Metro_20Tunnels
-
Quake-Proof Oceanic Tunnels (0.5)
https://www.halfbakery.com/idea/Quake-Proof_20Oceanic_20Tunnels
-
Relativity Subway (0.0)
https://www.halfbakery.com/idea/Relativity_20Subway
-
Sky Tube (-0.5)
https://www.halfbakery.com/idea/Sky_20Tube
-
Sky Tube Ring (-0.5)
https://www.halfbakery.com/idea/Sky_20Tube_20Ring
-
Solar Powered Tunnel Construction (-1.0)
https://www.halfbakery.com/idea/Solar_20Powered_20Tunnel_20Construction
-
Subway Protector (0.0)
https://www.halfbakery.com/idea/Subway_20Protector
-
Trans-Atlantic Train (-0.5)
https://www.halfbakery.com/idea/Trans-Atlantic_20Train
-
Trans-Oceanic Tunnel (1.0)
https://www.halfbakery.com/idea/Trans-Oceanic_20Tunnel
-
Tunnel City (0.0)
https://www.halfbakery.com/idea/Tunnel_20City
-
under the sea glass tunnel (-0.5)
https://www.halfbakery.com/idea/under_20the_20sea_20glass_20tunnel
-
Underground City Highway System (-0.5)
https://www.halfbakery.com/idea/Underground_20City_20Highway_20System
-
underwater viaduct (1.0)
https://www.halfbakery.com/idea/underwater_20viaduct
-
Vacuum Train (0.5)
https://www.halfbakery.com/idea/Vacuum_20Train
-
"Wall of death" spinning tunnel (1.5)
https://www.halfbakery.com/idea/_22Wall_20of_20death_22_20spinning_20tunnel
-
Wind Tunnel Races (0.5)
https://www.halfbakery.com/idea/Wind_20Tunnel_20Races
-
Zoom! (0.0)
https://www.halfbakery.com/idea/Zoom!