(UPDATE 2:45 PM): All lanes have reopened on Southbound Highway 99 following a multi-vehicle crash, according to Caltrans.

The #3 lane of Southbound Hwy. 99 is currently closed at Rosedale Highway due to a multi-vehicle collision, according to Caltrans.

Caltrans said drivers should expect delays in the area. There is no estimated time of reopening.

This is a developing story.