Vehicles transporting dangerous goods must have a license according to article 78 of the road traffic law.
Question 2 is incorrect because it is not required to transport on special-purpose vehicles + must run continuously without stopping or parking during transportation.
Must have a permit issued by a competent authority, dangerous goods transport vehicles must not stop or park in crowded places, places where danger occurs.
Must be transported on special vehicles for transporting dangerous goods; Dangerous goods transport vehicles must run continuously and must not stop or park during transportation.