330 For vehicles traveling on freeways or expressways that have more than 4 wheels, the tire treads must be at 1.6 mm thick. (A)O(B)X

334 Under the normal weather conditions, large vehicles traveling on freeway at a speed of 100km per hour are required to maintain a safe driving distance of 80 meters from the vehicle in front of them and cars must maintain a safe driving distance of 50 meters from the vehicle in front of them. (A)O(B)X