To deal with the growing opposition, the government resolved to commit to HS2 by way of a hybrid bill, which would open up opportunities for local communities to object to the route. The original design became mired in hundreds of expensive mitigations, compromises and compensations. Cheaper above ground sections were replaced by costly tunnels. Cuttings and sound barriers began to line huge parts of the route. The project was progressing, but it would have to pay the piper before long.