A construction project caused significant traffic disruption, resulting in a massive backup. Commuters experienced lengthy delays, with traffic grinding to a halt for 3 hours. The congestion occurred on the westbound 91 Freeway, affecting those traveling in the area.

The incident happened on Wednesday, leaving commuters stuck in a traffic nightmare. Further details about the construction project and its impact on traffic are available from the source.

The backup was severe enough to cause a 3-hour delay, indicating a substantial disruption to commuters' travel plans. For more information, readers can refer to the original report.