A crash closes the northbound lanes of I-5 at Del Mar Heights Road

SAN DIEGO – Several lanes of Interstate 5 remained closed Monday morning after a crash on Del Mar Heights Road.

Due to the collision, which involved multiple vehicles, all lanes were initially blocked, Caltrans San Diego reported at 5:40 a.m

By 6:30 a.m., two lanes and the HOV lane had reopened. Three lanes remained closed.

Check back for updates on this developing story.