Donegal face Louth in Ballyshannon in Division Two of the Allianz National League this Sunday afternoon.
A large crowd is expected at Fr Tierney Park for the game which throws in at 2pm.
Gardaí are requesting all patrons attending the to utilise the carparks in the town centre.
Parking on the Rock is limited and this area will be closed to traffic once available spaces are filled.
A spokesperson said “Please use the town car parks which are only a short walk to the venue.”