Greater than 50 different folks injured within the accident had been taken to hospital in Ghazni province, officers say.
All three autos have been set ablaze after the collision on the principle street linking the capital, Kabul, to the southern metropolis of Kandahar.
Accidents are widespread in Afghanistan the place roads are sometimes in a poor state.
The BBC’s Mahfouz Zubaide within the capital, Kabul, says drivers additionally have a tendency to hurry and site visitors guidelines are hardly ever enforced.
Mohammadullah Ahmadi, the director of the provincial site visitors division, mentioned the crash was attributable to reckless driving, the Related Press information company experiences.
He mentioned native residents helped hearth fighters and first responders pull survivors from the wreckage.
Most of those that died within the crash have been “fully burned”, well being ministry spokesman Ismail Kawasi advised the AFP information company.
Jawed Salangi, spokesman for the governor of jap Ghazni province, advised the BBC he had seen paperwork displaying that altogether there have been 125 passengers travelling on the buses.
In keeping with the Efe information company, the collision occurred at about 06:30 native time (02:00 GMT).