PLEASANTON, Calif. (KRON) — All lanes have reopened on the northbound I-680 south of Bernal Avenue after an overturned big-rig blocked lanes earlier, according to a tweet from the CHP. The big-rig, which crashed near Pleasanton Friday morning, was back up on its wheels by 9 a.m. The crash was reported around 5:15 a.m. on northbound Highway 680 near Bernal.

No one was reported injured in the crash, which is causing traffic to be diverted off the highway. The CHP says the driver fell asleep at the wheel just after 5 a.m.

According to the CHP, the driver was drowsy, lost control of the rig and over-corrected, resulting in the truck overturning. No one was injured in the crash. After initially saying the scene may not be cleared until noon, official said they hoped to clear it by 10 a.m.

Bay City News contributed to this report.