An overturned propane truck blocked lanes Tuesday afternoon on state Route 78 between Ramona and Santa Ysabel. The truck crashed near Slaughterhouse Road, blocking the west and eastbound lanes of SR-78, according to Caltrans San Diego. WB and EB lanes of SR-78 at Slaughterhouse Road are blocked due to a traffic collision. pic.twitter.com/Hp4657wvle— Caltrans San Diego (@SDCaltrans) December 3, 2024 This is a developing story that will be updated as more information arrives.