FRESNO, Calif. (KFSN) -- Traffic has been backed up on Highway 180 near Fulton Street in downtown Fresno due to a crash involving a big rig.
It happened before 3:30 am Tuesday.
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The California Highway Patrol says the big rig was hauling two empty trailers when the driver lost control and hit a guard rail.
The semi-truck ended up jackknifed.
A large piece of concrete also appeared to fall from the guardrail onto Belmont Avenue.
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Westbound traffic on the highway is closed and being moved off at Blackstone Avenue.
Officers believe speed and wet roads from the rain were factors in the crash.