An injury crash today on the Pomona (60) Freeway, near the Orange (57) Freeway in Diamond Bar snarled rush-hour traffic during the late afternoon.
All lanes were shut down on the westbound 60, as emergency crews worked on at least one injured motorist, according to the California Highway Patrol.
The lanes were reopened by 5:30 p.m., according to the CHP.
The crash, just west of Grand Avenue, occurred about 4:30 p.m., the CHP reported.
City News Service contributed to this report.