The incident took place this morning in Khalachi area of Chamtal district.
Provincial governor spokesman Munir Ahmad Farhad said a Taliban roadside bomb hit a civilian vehicle in the Chamtal district.
He added that as a result all people on board were killed.
Meanwhile, the chief of Chamtal district Matin Khawaja Zada said that children and women are among the victims.
Taliban has not made a comment about the report yet.
Last week, 12 civilians including women and children were killed in a roadside bomb in Dawlat Abad district of Balkh province.