HOLLYWOOD >> Motorists headed toward the San Fernando Valley on the 101 Freeway through Hollywood Thursday and Friday nights may be slowed by lane closures for pavement repairs, according to Caltrans officials.

The California Department of Transportation will close some northbound lanes on the Hollywood Freeway beginning at 10 p.m. Thursday and Friday nights between Santa Monica Boulevard and Gower Street to replace concrete slabs for a smoother freeway ride.

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The northbound fast lane on the left side of the four-lane freeway will remain open throughout the pavement work, officials said.

The remaining No. 2, No. 3 and No. 4 lanes will be closed at various times until morning. Motorists were urged to observe caution during the following closures:

• Thursday, May 4, from 10 p.m. until Friday, May 5, at 5 a.m.: The No. 3 and No. 4 lanes will be closed.

• Friday, May 5, from 1 a.m. to 4 a.m.: The No. 2 lane also will be closed.

• Saturday, May 6, from 12:01 a.m. to 9 a.m.: The No. 3 and No. 4 lanes will be closed.

• Saturday, May 6, from 2 a.m. to 5 a.m.: The No. 2 lane also will be closed.