Southbound lanes of Interstate 805 near I-8 were reopened Monday night, nearly eight hours after police activity closed half of the freeway.
Lanes were closed shortly after 2:30 p.m., Caltrans said, and traffic was being diverted to east and westbound I-8.
By 5:15 p.m., traffic was backed up all the way to I-5.
The police activity began to wind down at around 9:15 p.m., according to the CHP. At that time, traffic was backed up near the SR-163 interchange but was slowly clearing up.
Caltrans said all lanes were open by 10:20 p.m.