Any tunnel will kill trees above it, so why spend the money? It seems obvious the only real choice is A2 and a bridge through the most delicate parts will have to be the answer. They better have biologists on their payroll or it could be an absolute disaster. BTW it better be earthquake resistant too.
Re: “TL;DR: There Are No Easy Answers to Last Chance Grade”
Any tunnel will kill trees above it, so why spend the money? It seems obvious the only real choice is A2 and a bridge through the most delicate parts will have to be the answer. They better have biologists on their payroll or it could be an absolute disaster. BTW it better be earthquake resistant too.