A. Walking on the expressway, except for those serving, managing, and maintaining the expressway.
B. Swinging or clinging to moving vehicles.
C. Carrying bulky objects causing traffic obstruction.
D. Failing to obey the orders of the traffic controller.
=> Answer: D. Failing to obey the orders of the traffic controller.
This is one of the questions in the Traffic Safety for Tomorrow's Smiles competition. To see other questions and answers, please visit the article 'Answers to the Traffic Safety for Tomorrow's Smiles competition'.
