公共交通系统 meaning in English

mass transportation system
public transit
public transport system
public transportation system

Public transport is overcrowded and often unreliable
公共交通系统拥堵且不准时。
The bus system and train system are really good
公共交通系统和铁路系统非常发达。
Toronto has a good public transit system
多伦多公共交通系统很方便。
Fuzzy evaluation of the effect of chongqing its on traffic safety
先进的公共交通系统综合评价
Design and implementation of pda - based public transportation system
的公共交通系统设计与实现

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