Posted on: January 1, 2018

Freeway Construction Project Underway

Grand Avenue Freeway Construction Project

Motorist are advised that closure of the westbound on-ramp at Grand Avenue and right-turn-only restriction on the westbound exit ramp to Grand Avenue are scheduled to continue into late next month.

The restrictions are necessary for Caltrans to carry out t...

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Posted on: January 3, 2018

Annual Volunteer Award Program

Thank You

(Diamond Bar, CA, January 3, 2018) – If you know individuals whose volunteer efforts in Diamond Bar deserve to be recognized, the City is interested in hearing from you.

Every year in April, during its Birthday Party Celebration, the City honors several in...

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