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Overnight And Daytime Closures Begin On 57 And 60 Freeways In Diamond Bar

Motorists were encouraged to plan ahead and allow additional travel time.

Road closures were planned for Nov. 2 through Nov. 6 as contractors continue work on the SR-57/60 Confluence Chokepoint Relief Project in Diamond Bar, the city announced on Monday, Nov. 2, 2026. (David Giuliani/Patch)

DIAMOND BAR, CA — Motorists traveling on State Route 57 and State Route 60 should prepare for overnight and daytime closures Nov. 2 through Nov. 6 as contractors continue work on the SR-57/60 Confluence Chokepoint Relief Project in Diamond Bar, the city said.

The scheduled work includes lane closures on eastbound SR-60 between Lemon Avenue and Diamond Bar Boulevard, as well as closures of several ramps connecting to the freeway, the city announced on Monday.

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The following closures are scheduled:

Motorists were encouraged to plan ahead, allow additional travel time and consider alternate routes during the scheduled closures.

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