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NOVEMBER 18-23 - NIGHTTIME FULL CLOSURE OF GOLDEN SPRINGS DRIVE FROM GATEWAY CENTER DRIVE TO ADEL AVENUE AND DAYTIME CLOSURE OF EB GOLDEN SPRINGS DRIVE AT GATEWAY CENTER DRIVE City of Diamond Bar Southern California 511

CLOSURE UPDATE: SR-60 Grand Avenue eastbound on-ramp will experience closures tonight from 1 a.m. - 4 a.m. City of Diamond Bar Southern California 511

NOVEMBER 25-27 - NIGHTTIME FULL CLOSURE OF GOLDEN SPRINGS DRIVE FROM GATEWAY CENTER DRIVE TO ADEL AVENUE AND DAYTIME CLOSURE OF EB GOLDEN SPRINGS DRIVE AT GATEWAY CENTER DRIVE Southern California 511 City of Diamond Bar Caltrans District 7

Last week, Diamond Bar Mayor Stan Liu and Mayor Pro Tem Chia Yu Teng joined the SR 57/60 Confluence Chokepoint Relief Project Team for a briefing and tour to get an up-close look at the significant construction progress made over the past year. 🏗️ #InfrastructureInAction #SanGabrielValley #SGVCOG

DECEMBER 5 - NIGHTTIME FULL CLOSURE OF GOLDEN SPRINGS DRIVE FROM GATEWAY CENTER DRIVE TO ADEL AVENUE Caltrans District 7 City of Diamond Bar

DECEMBER 9 - NIGHTTIME FULL CLOSURE OF NB SR-57 CONNECTOR TO EB SR-60 AND INTERMITTENT CLOSURES OF DIAMOND BAR BLVD AND GRAND AVE ON AND OFF-RAMPS DECEMBER 10 - NIGHTIME FULL CLOSURE OF GOLDEN SPRINGS DRIVE FROM ADEL AVENUE TO GATEWAY CENTER DRIVE City of Diamond Bar Caltrans District 7

(DECEMBER 23) INTERMITTENT NIGHTTIME CLOSURE OF EASTBOUND SR-60 DIAMOND BAR BLVD ON AND OFF-RAMPS Caltrans District 7 Southern California 511 City of Diamond Bar

(JANUARY 2 - JANUARY 3) CLOSURE ON GOLDEN SPRINGS DR. AT COPLEY DRIVE. Caltrans District 7 City of Diamond Bar

(JANUARY 6-11) NIGHTTIME FULL CLOSURE OF GOLDEN SPRINGS DRIVE FROM ADEL AVENUE TO GATEWAY CENTER DRIVE (JANUARY 8-9) NIGHTTIME CLOSURE EB SR-60 DIAMOND BAR BLVD ON-RAMP City of Diamond Bar Caltrans District 7 Southern California 511

(JANUARY 28) NIGHTTIME CLOSURE OF EB SR-60 DIAMOND BAR BLVD ON-RAMP (JANUARY 28-FEBRUARY 1) DAYTIME AND NIGHTTIME LANE CLOSURE OF DIAMOND BAR BLVD City of Diamond Bar Caltrans District 7 Southern California 511

(FEBRUARY 11 - FEBRUARY 12) DAYTIME CLOSURE OF WB GOLDEN SPRINGS DRIVE AT COPLEY DRIVE (FEBRUARY 13) NIGHTTIME FULL CLOSURE OF BOTH EB AND WB GOLDEN SPRINGS DRIVE FROM ADEL AVENUE TO GATEWAY CENTER DRIVE. RAIN MAY AFFECT CLOSURE DATES. City of Diamond Bar Caltrans District 7

( FEBRUARY 25) NIGHTTIME FULL CLOSURE OF BOTH EB AND WB GOLDEN SPRINGS DRIVE FROM ADEL AVENUE TO GATEWAY CENTER DRIVE (FEBRUARY 27) NIGHTTIME FULL CLOSURE OF EB SR-60 DIAMOND BAR BLVD ON-RAMP City of Diamond Bar Caltrans District 7

(MARCH 20-22) NIGHTTIME LANE CLOSURES ON EASTBOUND STATE ROUTE 60 Caltrans District 7 City of Diamond Bar City of Walnut

🛑March 24-25: The following closures are in effect for electrical work and traffic control: - Eastbound and Westbound SR 60 lanes 6 & 7 - Grand Ave on/off ramps from 7PM - 6AM - Northbound right lane on Grand Ave between Golden Springs Drive and Grand bridge closed 7PM to 6AM

🛣️PROJECT UPDATE: Another day, another round of pile driving! Teams of expert crews are drilling vertical columns into the foundation for the new SR-60 freeway off-ramp on Grand Ave, improving commuter safety and reducing traffic congestion in the City of Diamond Bar and beyond.

We were honored to welcome students from the National Defense University for site tours of Fullerton Road Grade Separation and SR 57/60 Confluence Chokepoint Relief Project. These transformative infrastructure projects prioritize safety while reducing traffic congestion--delivering long-term benefits across the region.

⚠️Construction Alert!⚠️ On May 2-5, the EB SR-60 Grand Ave off-ramp and SB Grand Ave Bridge will be closed for 59 hours. Please plan ahead and follow all traffic signs in the area! San Gabriel Valley COG SR 57/60 Confluence Chokepoint Relief Project

🚧CONSTRUCTION NOTICE: Nighttime closure of Golden Springs Dr. between Gateway Cities Dr and Adel Ave on April 21-24 🚧 When: 7pm - 7am nighttime closure What to Expect: Full closure of eastbound and westbound Golden Springs Dr. Use Diamond Bar Blvd as a detour route.

UPDATE: 4-23-25 The SGVCOG has made an update to the Construction Notice graphic in the "What to Expect" section. "WHAT TO EXPECT Eastbound SR-60 Grand Avenue off-ramp will be closed. Please use eastbound SR-60 Diamond Bar Boulevard and Lemon Avenue off-ramps as detours. Left

⚠️Construction Alert!⚠️ On May 2-5, the EB SR-60 Grand Ave off-ramp and SB Grand Ave Bridge will be closed for 59 hours. Please plan ahead and follow all traffic signs in the area! San Gabriel Valley COG SR 57/60 Confluence Chokepoint Relief Project