Highway officials yesterday deemed I-93 northbound safe for drivers as state police continued to investigate the crash that sent Lavalle's tractor-trailer beer truck crashing through a guardrail and teetering over the edge of the Leverett Connector. Beer Truck Crashes Over Guard Rail On I-93 BridgeCBS Local Slideshow: Beer truck dangles from Boston highwayTurn to 10 Boston crash leaves beer truck cab hanging off elevated section of Interstate 93MassLive.com Daily Mail -abc40 -Firehouse.com all 29 news articles »