. >> in the pleasanton area is now closed until monday morning. kron four's dan thorn live for that work is taking place right now. he joins us with more. dan. >> yeah, i busy night. busy weekend as just started this work here on 6.80, southbound about an hour ago. and this is about repairing the roadway of 6.80, southbound. by about 9 miles between pleasanton to seminole and caltrans says that if you're going to be traveling through the area this weekend, be prepared for traffic and 6.80, southbound from the 5.80, connector down to coop in road is now closed through early monday morning. caltrans says crews will be replacing deteriorating roadway with new pavement. >> and they're hoping to get a lot done. and just a short amount of time over the weekend, we're going to do all this work and what this is the benefit of this weekend work is that we're reducing about 40 nights of work into just 3 days. but the work also means slow driving and detours. >> signs will be posted along the freeway. >> and the highway patrol will be helping to keep traffic