overcrowding

US /ˌoʊ.vɚˈkraʊ.dɪŋ/
UK /ˌoʊ.vɚˈkraʊ.dɪŋ/
1.

aşırı kalabalık

a situation when a place contains too many people or things:

:
Investment in the rail network would reduce overcrowding on the roads.