A Canterbury council has agreed to consider alternative routes for hauling gravel from the Waimakariri River, but warns all options have their challenges. The Waimakariri District Council agreed on Tuesday to establish a gravel haulage reference group in response to Clarkville residents , who say they are ‘‘at breaking point’’ over the gravel trucks pounding their local roads . The reference group will liaise between the regulators, extractors and the community to consider options for hauling up to 80,000 cubic metres of gravel, which will be used in preparatory work for the $1 billion Woodend Bypass. Alternative options include a haulage route along the river bank which passes through a popular recreation area, or creating a new road which would be costly. Waimakariri Mayor Gordon said he wanted to find a "broader solution". "As far as I’m concerned, everything is on the table.…