Around 15 caravans arrived over the weekend and are currently using around a third of the spaces.
Officials from the hospital say they are working with the police and Devon County Council to sort out the issue.
Buses are running as usual and there are extra parking spaces at the supermarket at Digby.
City lose at home again
Kyle Wooton brace gives Stockport win over sorry Exeter
Calls for inclusion on Plymouth lord mayor role
It traditionally alternates between Conservative and Labour
Upgrades to Plymouth storm overflows to take place
Hoe bathing waters are priority to stop sewage discharges
Dartmoor finances facing biggest cut for years
'Do DEFRA think the Dartmoor pixie exists?'
Rare curlews and martens are leaving Dartmoor - for now
'We hope some of them choose to come back to the wonderful place that is Dartmoor'
Dartmoor phone mast gets the go-ahead
Better broadband and emergency cover promised
