It's happened a number of times this summer.
South Western Ambulance Service tweeted to say "In an emergency, every second counts."
The service says it has struggled to reach patients several times this summer due to parked vehicles.
They've issued advice asking people to allow at least 10 feet for emergency services vehicles to pass by safely.
Divisive debate with party-political friction as Devon’s budget approved
Council tax will rise
Call for West Devon to be split to get best for residents
Residents in the north look to Exeter; and to Plymouth in the south
Dartmouth residents bemoan year-long closure of key road
Residents submit petition with around 2,500 signatures calling for action
Hard up charity will get more help from lottery cash
Citizens Advice helped more than 3,000 in North Devon over six months
Campaign for emergency phones at bridges to save lives
Temporary mobiles are in place at the moment
Man missing from Exeter area
Have you seen Matthew Welham?
