For a fourday closure of interstate 280 that will impact a lot of commuters. That begins in about two hours. It is expected to continue throughout the long Holiday Weekend. Were live tonight at 6 00 and on the offramp there, part of a twomile stretch that is closed. Reporter you can see behind me the orange sign that has been posted there for days. The traffic is moving really easily right now, but the chp is expected to close this off. It is expected to be closed for at least four days starting from 9 p. M. Tonight. The spokesman tells me that crews need to replace a hinge in the highway just north of caesar shove advantage. That hinge allows to accommodate movement in the event of an earthquake. Its very important that this work be done. About 70,000 vehicles usually travel this twomile extreme of highway 280. Most of the cars are going to be detoured to highway 101 or south to the 280 on ramp near chavez. Definitely impact i had to think about it and figure out an alternative, becau