A cargo vehicle on route to Fahud loaded with 22t of chemical bags was involved in a motor vehicle incident while travelling on the main carriage way. Another contractor tipper truck joined from a junction on the left, crossed the hatched markings, then merged onto the main highway into the path of the cargo vehicle. The cargo driver tried to avoid a collision by manoeuvring to the left but the front passenger side of the cab struck the rear driver side of the tipper truck. This resulted in minor damage to the tipper truck and severe damage to the cargo truck prime mover cab. There were no injuries sustained.