The N3 Toll Route has been closed from Estcourt in the KwaZulu-Natal Midlands to Harrismith in the Free State due to heavy snowfall.This after the snowfall left motorists stranded in their vehicles and unable to move due to the thick snow on Friday evening.Arrive Alive issued a warning to motorists to avoid Harrismith in the Free State and Howick in the KwaZulu-Natal Midlands.“In the interest of safety, all traffic is being stopped at Tugela Plaza in KwaZulu-Natal and the Harrismith South Interchange in the Free State. Where possible, vehicles are being turned around at strategic…