In 2010, Christchurch businessman Earl Hagaman commissioned a report (the Octa Report) suggesting a toll road could be built for $225–315 million. Hagaman, founder of the Scenic Circle Hotels chain, argued the road would be of national significance, boosting the $21.7 billion tourism industry and significantly reducing driving time to Milford Sound. Construction was estimated to cost up to $315 million (and annual maintenance of over $1 million). According to the study, the costs would be acceptable due to the local benefits and additional tourism income it would provide, though conservation groups oppose the project.