Avoid NB I-5 in #Grapevine #Castaic in northern #LACounty - Debris in the roadway. Use other routes. Two left lanes closed. Traffic backup is 20 miles. No estimated opening time. Cleanup is underway. Check current conditions and closures at https://t.co/O37QesJHpw pic.twitter.com/SB5WAYMizR

— Caltrans District 7 (@CaltransDist7) November 23, 2023