Here’s the press release from Caltrans:

The California Department of Transportation (Caltrans) will deploy 100 maintenance and community service workers (orange hardhats) to perform “swarm” maintenance on Sunday, January 11 in closed sections of the East Los Angeles Interchange from 6 a.m. to 12 p.m. Crews will remove litter and graffiti, trim trees, clear weeds, repair guardrail and irrigation, inspect and clear drains, and perform routine inspections of structures. Motorists should expect delays. Signed detours will be in place.

Media can stage at the Mission Street on-ramp to southbound US 101.

The closures will occur at the following locations:

Connectors

Southbound I-5 to eastbound SR-60

Southbound US 101 to southbound I-5

Ramps

Southbound US 101 1st Street off-ramp

Southbound US 101 4th Street off-ramp

Southbound US 101 4th Street on-ramp

Southbound US 101/eastbound I-10 Mission Street on-ramp

Eastbound SR-60 Soto Street on-ramp

Usually crews only have a short closure window within the East Los Angeles Interchange. By increasing the window to seven hours and placing several personnel into one closure, crews will be able accomplish several tasks all at once.

The California Highway Patrol will be on duty. Please Be Work Zone Alert #BWZA.