. good morning. welcome to mornings on 2. it is thursday, may 31st. and happening right now, an overturned cement truck is causing approximate for commuters in the south bay. ktvu s lorraine blanco joins us live where she got an update on when the freeway should reopen. good morning, lorraine. reporter: good morning! i just got an update, that is correct. the department of transportation says they ll now keep this connector closed for another four hours or so, not because of the cement truck that s now gone it has been towed away. but caltrans needs to fix the guardrail here. you can see about a dozen trucks here right now, four of them long anding to the tow company, the rest to caltrans. the rig flipped around 3:20 a.m., it hauled 80,000 pounds of dried semen. the good news is the driver is okay, he told us he was going the field limit as he approached the curve and the trailer flipped over. he thinks the accident occurred because of a mechanical failure. i don t