Traffic Hazard State Route 57 North / Diamond Bar Blvd

Jul 17 2026 2:37PM: [1] [1] ,21B 1125 NORTH BOUND 57 JUST SOUTH OF DIAMOND BAR BIG RIG BLOCKING # 3 LANE BAD ORDER (NOT FUNCTIONING) MECH[Shared]

Jul 17 2026 2:48PM: [6] A81-603 REQUEST – OR – REQUIRED 1185 HD LOADED APPROX 33 TONS [Shared]

Jul 17 2026 2:49PM: [9] [FREEWAY SERVICE PATROL] has closed their incident [260717LAFSP0144]

Jul 17 2026 2:51PM: [10] [Rotation Request Comment] 1039 Pomona Valley Towing 909-623-1487 ESTIMATED TIME OF ARRIVAL 30-45 WITH HD [Shared]

Jul 17 2026 3:09PM: [11] A81-603 MOVED VEHICLE/ NOW PARTIALLY BLKNG SLOW LANE / ON RAMP // REQUEST – OR – REQUIRED ESTIMATED TIME OF ARRIVAL FOR HD [Shared]

Jul 17 2026 3:11PM: [13] VEHICLE NOW NORTH BOUND 57 AT BREA CYN ON RAMP [Shared]

Jul 17 2026 3:12PM: [14] [Notification] [CHP]-1021 POMONA VALLEY TOWING — ADVS HD TRUCK INTERSECTION ON THE FWY AND ESTIMATED TIME OF ARRIVAL 15-20 MINS MAX [Shared]