A semi-truck jackknifed on the westbound State Route 60 at the State Route 57 transition in Diamond Bar, CA, early today, blocking multiple lanes and causing significant disruption. The incident occurred around 1:24 AM, when the truck lost control and collided with the roadside infrastructure, resulting in damage to the guardrail.
Emergency services promptly responded to the scene to manage the situation. Crews worked diligently to address an oil spill caused by the accident, ensuring the area was safe for motorists. A tow truck was called to remove the jackknifed semi-truck, which was obstructing the third and fourth lanes of traffic.
Due to the severity of the incident, a sigalert was issued at approximately 2:18 AM, alerting drivers to expect delays for about one hour. Traffic was significantly impacted as vehicles were rerouted, and motorists were advised to seek alternative routes to avoid the area.
By 2:20 AM, local fire department personnel had spread dirt over the oil spill to mitigate hazards, and a street sweeper was requested to clear the area. Fortunately, there were no reported injuries related to this incident.
Motorists are reminded to exercise caution while driving in the area as cleanup efforts continue. The California Highway Patrol is working to restore normal traffic flow as quickly as possible.