I do not know if the Imam is a Musaafir or a Muqeem (non traveller).
Answer
A Musaafir may perform Salaat behind a Musaafir and Muqeem Imaam.
According to the Hanafi Madhab, the Salaat of the Imaam and the Muqtadi must be the same.
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai