A sign forbidding travel at a speed higher than 70 km/h has been placed on an urban road. Which vehicle is forbidden to travel at the speed on the sign?

1. AA commercial vehicle and a work vehicle whose permitted total weight is up to 10,000 kg. They are limited to 50 km/h.
2. BA commercial vehicle used for carrying goods and not equipped with safety belts. It is limited to 50 km/h.
3. CA vehicle whose year of manufacture is before 1969 and which is not equipped with safety belts. It is limited to 50 km/h.
4. DA commercial vehicle or a work vehicle whose permitted total weight is 12,000 kg. It is limited to 50 km/h.

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