Traffic accidents (TAs) represent a significant public health issue and are associated with behavioral factors, vehicles safeties and conditions of the urban spaces. According to the Centers for Disease Control and Prevention, road crashes are one of the major causes of morbidity and mortality in the United States. There are many studies showing that children and adolescents may suffer significant and long-lasting psychosocial consequences following TAs. Countless research has been conducted during the last decades aiming to investigate the relationship between driver behavior and road features. This book provides new research on traffic accidents and safety.