Definition of terms, crash, fatality, injury; risk, transport security; losses due to transport accidents; contributing factors: human, road, and vehicle; development of transport safety strategies: accident and injury prevention and reduction; development of countermeasures and accident mitigation; safety audit; black spot location identification and treatment; design of safer roads and intersections; roadside safety; design of roundabouts; at-grade railway crossing; pedestrian safety; evaluation of effectiveness and efficiency of remedial measures; transport security strategies; transport network reliability and vulnerability analysis.