limited-access zones

noun
UK /ˈlɪm.ɪ.tɪd ˈæk.ses zəʊnz/
US /ˈlɪm.ɪ.t̬ɪd ˈæk.ses zoʊnz/

Places where only certain people are allowed to go.

The airport has limited-access zones where only staff can enter.


OTHER MEANINGS

2. Parts of a computer network that only approved users can reach.

The company keeps its servers in limited-access zones.

3. Sections of a road or building closed to the general public.

Construction workers set up limited-access zones around the site.

4. Areas in a game that players must unlock before entering.

The new level adds limited-access zones with special rewards.