335 On freeways or expressways with a maximum speed limit of 80km per hour, cars are required to maintain a safe driving distance of at least 40 meters from the vehicle in front of them for safety reasons. (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

335 On freeways or expressways with a maximum speed limit of 80km per hour, cars are required to maintain a safe driving distance of at least 40 meters from the vehicle in front of them for safety reasons.
(A)O
(B)X

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