No, but the government is still working on it
At mt. Vernon.
Which underground tunnel?? Tell us the game. If it is heartgold, soulsilver, firered, leafgreen, ruby, emerald, sapphire... Tell us!
yes
We would have to tunnel underground because us humans have gotten used to the harmful oil, so it is no longer harmful. We can't live without it.
Holland Tunnel
No! usa is not underground,but some cities ,hotels,etc are underground.
A storey of a building that is underground is often called a basement or basement level. In terms of buildings, there is a recent one of a section of dis-used and abandoned Los Angeles US underground rapid transit tunnel that had been discovered during building remodeling and goodyear rubber or firestone (I forget what one) had purchased the rapid transit line and dismantled it in favor of tire sales.
The Lincoln Tunnel.
There is no current US highway that connects Phoenix and Tucson. Use Interstate-10 instead.
That was part of the problem. But, the North Vietnamese/Chinese were very adept at managing the fight in the jungle. There was also an extensive underground tunnel system with housing, etc. for their soldiers.
US Interstate 30 is the highway that connects Texarkana, Arkansas to Arkedelphia, Arkansas.
US Interstate highway 135 connects Salina Kansas to Newton Kansas.