sentences:  On 21 December 2009, NZTA announced that the tunnels would be built further east as continuous tunnels without an (open) gap halfway, and expressed confidence that they would be able to be completed within the original project budget.NZTA argued that this would be the most cost-effective option for constructing this section, and would require 205 houses to be bulldozed.Underground land would need to be purchased from 105 properties.