As a result, the section of the highway remains closed since 1:00 pm on Sunday.
Pratikshya Kayastha,18, of Pokhara-3 died in the accident while her sister who was riding the scooter sustained serious injuries.
The accident took place at Ghansikuwa VDC-8, Tanahu on Wednesday afternoon when the passenger bus (Na.4Kha. 7437) hit the scooter coming from the opposite direction.
Talks with the agitating side are underway in presence of the bus entrepreneur, said DSP Lal Bahadur Sonam.
The bus driver is under police custody.
Prithivi Highway faces routine obstruction from mudslides