What are the preventive measures to road accident?

Some of the Preventive Measures are :
Avoiding alcohol before driving prevents road traffic accidents. The use of remediation therapy for drink driving offenders will reduce the number that reoffend. A far more extensive use of random breath testing, accompanied by a high level of publicity will lead to a reduction in injuries. To be most effective breath testing should be intensive and applied to everybody at a checkpoint and not depend on "due cause". Strategies that increase the use of seat belts or child restraints will result in fewer injuries. Stricter enforcement of speed limits will result in fewer injuries. The overall contribution of speed to accidents is not known but is widely quoted to be one third of all fatalities. Roadside guardrails (crash barriers) and crash cushions will reduce injury severity. Safer design of roads and roadside environments will result in fewer injuries.