Police Plan Sobriety Checkpoints on Topanga and Across L.A.

If you're heading south on Topanga Canyon Boulevard tonight, prepare to stop at the LAPD Sobriety Checkpoint at Califa Street in Woodland Hills.

It is only one of the roadblocks to be set up across the city this Labor Day Weekend.

Officers will be stopping cars from 8 p.m. to 2 a.m to check for drivers under the influence of drugs or alcohol. They will also be checking for valid driver's licenses.

In addition to the Topanga Canyon and Califa roadblock, here are the other LAPD Sobriety Checkpoints:

• Friday, Sept. 2 -- Sobriety Checkpoint from 8 p.m. to 2 a.m. at Venice Boulevard and Fairfax Avenue in the Wilshire area.
• Saturday, Sept. 3 -- Sobriety Checkpoint from 8 p.m. to 2 a.m. at Venice Boulevard and Lincoln Boulevard in the Pacific area.
• Saturday, Sept. 3 -- Sobriety Checkpoint from 8 p.m. to 2 a.m. at Western Avenue and Slauson Avenue in the 77th Street area.
• Saturday, Sept. 3 -- Sobriety Checkpoint from 8 p.m. to 2 a.m. at Figueroa Street and 9th Street in the Central area.
• Sunday, Sept. 4 -- Sobriety Checkpoint from 3 p.m. to 9 p.m. at Harbor Boulevard and 1st Street in the Harbor area.