The San Francisco Municipal Transit Agency had a horrible summer, and it all revolved around a two-month, $41 million overhaul of the Twin Peaks Tunnel, which reopened in late August. Mission Local’s managing editor, Joe Eskenazi, reported extensively on MTA’s mismanagement of the closure that left hundreds of thousands of riders stranded on busy lines. The agency also awarded a contract to a construction company with a record of safety violations, Shimmick Construction, to work on the tunnel. One of the company’s workers died while working in the tunnel. Listen in.