safety zone vs safety isle

safety zone and safety isle both are nouns.

Word	Noun	Adjective	Verb	Adverb
safety zone	Yes	No	No	No
safety isle	Yes	No	No	No

As nouns, safety zone and safety isle are synonyms defined as:

safety zone and safety isle: a curbed area in a roadway from which traffic is excluded; provides safe area for pedestrians

Other synonyms of safety zone include safety island, traffic island.

safety zone (noun)	safety isle (noun)
a curbed area in a roadway from which traffic is excluded; provides safe area for pedestrians	a curbed area in a roadway from which traffic is excluded; provides safe area for pedestrians