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A traffic advisory has been issued by LAPD ahead of a planned 40-hour closure of the 101 Freeway near downtown Los Angeles that was scheduled to go into effect Friday night.

Authorities were closing the stretch of freeway east of downtown because of the impending demolition of the Sixth Street Viaduct over the L.A. River.

The roadway closure — which starts Feb. 5 at 10 p.m. and is scheduled to last until Feb. 7 at 3 p.m. — was necessary due to safety concerns, according to a construction update posted on the project’s website.

During that time, the 101 will be closed from the 10 Freeway near Union Station to the 5 Freeway interchange south of downtown.

Additionally, several on-ramps will be closed during that time, according to the Los Angeles Police Department traffic advisory, which was released Thursday.

The following ramps will be closed from 10 p.m. on Feb. 5 to 2 p.m. on Feb. 7:

  • Northbound 6th Street/ Whittier Boulevard
  • Northbound Euclid Street
  • Northbound Soto Street to 101 Freeway
  • Southbound Commercial Street
  • Southbound Mission Street
  • Southbound 4th Street

LAPD was warning of possible traffic congestion in the area as a result of the closures, and has urged motorists to avoid those on-ramps during the aforementioned times.

A map on the Sixth Street Viaduct project's website shows the impacted stretch of 101 Freeway.
A map on the Sixth Street Viaduct project’s website shows the impacted stretch of 101 Freeway.