FREMONT, Calif. - Caltrans is busy this summer performing critical work along Interstate Highway 680 in the East Bay, improving overpasses, bridges and the pavement.

And while drivers should ultimately be pleased with the work, those slogging through traffic during these weekend closures have to be patient for the payoff.

This weekend, Caltrans is shutting down part of northbound I-680 in Fremont at State Route 238. The shutdown starts Friday at 10 p.m. through Monday at 5 a.m. – a total of 55 hours, which is bound to affect those trying to get to the Niles Car Show on Sunday.

Kellee Hollinger, who is KTVU's news desk manager, experienced Caltrans' handiwork – and slowdowns – on July 25, when the southbound portion of I-680 was closed for the weekend. And to put it simply: She had

See Full Page