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Update: All lanes reopened after 210 Freeway big rig crash

A crash involving a big rig on the 210 Freeway in Pasadena had trafficked backed up for miles on Monday, August 11, 2014.
A crash involving a big rig on the 210 Freeway in Pasadena had trafficked backed up for miles on Monday, August 11, 2014.

Updated 7:04 a.m. Tuesday: All lanes are open again following a big rig crash on the westbound 210 Freeway Monday, according to the California Highway Patrol.

The CHP tweeted the update Monday night.

The Los Angeles Times reports the three people involved in the crash were taken to area hospitals and were expected to survive.

7:34 p.m. Monday: A big rig crash shut down several lanes of the 210 Freeway Monday, backing up traffic for miles, the California Highway Patrol said. 

"We understand that there was a stakebed truck traveling in the number three lane next to the big rig," CHP spokesperson Edgar Figuero told KPCC. "And for unknown reasons made an unsafe lane change, colliding with the big rig and causing it to lose control and crash into the center divider wall."

The big rig truck then landed on the nearby Metro Gold Line's tracks just after its final stop at Sierra Madre Villa. The agency did not expect it to affect service. 

The crash has the number one and two westbound lanes just east of Rosemead Boulevard blocked, but the number three and four lanes remain open, a CHP spokesperson told KPCC.

There were two minor injuries reported and both have been transported to the hospital, authorities said. 

This story has been updated