sentences:  A total of six multivehicle accidents occurred along this stretch in the 1970s.The worst, which took place on November 5, 1978, involved 62 vehicles and injured 46, and took place on the Hiwassee River Bridge.After a multivehicle accident on April 15, 1979 which involved 18 vehicles, killed three, and injured 14, TDOT identified the stretch as prone to fog hazards, and agreed to install warning signs with flashing warning lights, which would activate if fog was detected.