The legal battle over our east/west rail line is heading up north. On May 7, the California Supreme Court will hear arguments in San Francisco in the case of Neighbors for Smart Rail v. Exposition Metro Construction Authority. At issue is whether the traffic studies used for the line's environmental documents are ok as is - they are based on future not current traffic conditions - or if they are inadequate, as NSFR contends. Streetsblog has an update, along with a history of the case. A ruling is not expected right away and, as anyone who lives near Exposition can attest, construction continues on the line for now.