Today sees the end of a week where HS2 was given the green light, campaigners vowed to fight on and MPs justified their decisions.
The controversial route, from London to Birmingham, carves through Amersham, including a 1.4 mile tunnel.
Campaigners say they will oppose the plan until the end and that could include a legal challenge.
Do you think HS2 is a fait accompli or do those against the plan really have a chance to stop it?