Metrowest Daily News 8/1/17: Eversource to begin rail trail work in Weston and Wayland. Eversource expects to open a four-mile gravel road below its transmission towers in Wayland and Weston this December, a path the state will pave as part of the Mass Central Rail Trail. The rail trail could one day stretch 100 miles between Boston and Northampton. Locally, officials are focusing on the 23-mile “Wayside” section between Waltham and Berlin.