Seven collisions occurred at the Beijing-Taipei Expressway's Tai'an section on Monday morning, killing one person and injuring 11.
Meanwhile, the expressway's section in Ningyang county in Tai'an reported 15 accidents, in which six people died and 24 were injured, according to a statement from the publicity department of Ningyang county.
Heavy fog shrouded the highway on Monday morning, reducing visibility on the expressway to less than 10 meters, China Central Television reported.
"The fog was so heavy and totally blocked my vision. Only two vehicles collided initially but because of the poor vision other drivers kept crashing into vehicles in front of them," Xiao Jianbo, who was driving in the area, told CCTV.
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