The High Line is getting longer. The second section of the innovative elevated park, which is built on the roadbed of an old freight railroad on Manhattan’s West Side, is scheduled to open in June. Related Links: Rail Trestle-Turned-Park Doubling in Length Landscape Architecture Puts a New Spin On Natural Systems The High Line was built in the 1930s to serve the meatpacking and other industries. It passed directly through several industrial buildings, allowing firms to load and unload freight directly.The High Line’s design team consists of landscape architecture and urban design firm James Corner Field Operations (the project lead);