Accessible Parking In AuOn-street accessible parking

Parallel parking space, passenger-side, no drop curb nearby. Nearest drop curb is either intersection closest to parking. There is minimal space for wheelchair to move. Spaces are similar size to normal car parking space. Busy road on drivers side would make it extremely difficult for accessibility roadside/drivers-side Awkward obstacles? Yes, some trees present on footpath. Trees do not appear next to passenger side car spaces.