National Transportation Safety Board urging collision avoidance devices in all cars . The NTSB said the agency is investigating whether a defect contributed to the crash and that it will issue recommendations for safety improvements as soon as possible. The National Transportation Safety Board said Wednesday that the federal government should mandate the systems as standard equipment in all cars and commercial vehicles . The board is urging the government to mandate the life-saving systems in vehicles .
National Transportation Safety Board urging collision avoidance devices in all cars . The NTSB said the agency is investigating whether a defect contributed to the crash and that it will issue recommendations for safety improvements as soon as possible. The board is urging the government to mandate the life-saving systems in vehicles .