Romania's road company decides to have a tunnel for Buşteni highway.  Original plan was a normal highway.

This decision has been taken with considerations of European directives on the environment requirements. It also considers the tourist potential of Buşteni . Therefore not to spoil the nature with a highway.

https://www.romaniatv.net/centura-comarnic--scoasa-la-licitatie-vara-asta--la-busteni-autostrada-va-ocoli-statiunea-printr-un-tunel_527980.html#n