The northbound 170 Freeway in North Hollywood reopened Friday afternoon after a pickup overturned and spilled pool chemicals, officials said.
All northbound lanes had been shut down just north of Sherman Way shortly before 9:45 a.m. after the truck was involved in a collision, the California Highway Patrol said.
The two leftmost northbound lanes, Nos. 1 and 2, reopened around 1 p.m., and the remaining two lanes reopened around 3:30 p.m.
Traffic was backed up at least a mile when Sky5 was above the scene shortly after 11 a.m.