Rainy conditions made the road slippery causing the group's van to hydroplane and skid several times before crashing into a protective wall in the vicinity of the Singal Junction on Yeongdong Expressway .
Rainy conditions made the road slippery caused Park to suddenly lose control of the vehicle .
Rainy conditions made the road slippery , which caused Park to suddenly lose control of the vehicle , causing the group's van to hydroplane and skid several times before crashing into a protective wall in the vicinity of the Singal Junction on Yeongdong Expressway .