The overall personal transportation system has been improved in recent years and this experience, together with the "new tools" of constantly expanding research, should bring about even greater progress in the next decade particularly in these aspects:​ 1. The vehicle and its crashworthiness. 2. Human body tolerance. 3. Car handling characteristics. 4. Human factors considerations in vehicle design. 5. Driver performance analysis. 6. The highway system. 7. The traffic control system.