Posted: 01/06/2013 01:29:20 PM PST
Updated: 01/06/2013 05:24:46 PM PST
Updated 1:54 p.m.:
The carpool and far left lanes were going to be shut down until 4 p.m., the CHP reported. Westbound traffic was reduced to three lanes in the Diamond Bar area, according to Caltrans.
A SigAlert was issued Wednesday afternoon following a rollover crash in which an eastbound truck crashed and overturned into the westbound 60 (Pomona) Freeway in Diamond Bar, ending up on its side and injuring someone, authorities said.
The crash near Grand Avenue was reported at about 12:45 p.m., prompting closure of the carpool and two left lanes, according to the California Highway Patrol.
Authorities reported that the center divider wall was damaged when the red pickup truck overturned.
At least one person suffered injuries, the CHP reported.
The SigAlert was to remain in effect for about an hour, or until about 1:50 p.m.