Ashburton's Deputy Mayor has been left frustrated after being told it will be two years before the Transport Agency Waka Kotahi could lower a speed limit on a 300 metre stretch of road on the outskirts of Methven. Liz McMillan says developments along State Highway 77 mean the 100-k speed limit is no longer fit for purpose. Frustrated with the length of time it's taken for the agency to act, she's launched a petition which has gained 500 signatures - or a quarter of the town's population.