1. An urban area with heavy traffic and limited road capacity, often subject to traffic congestion charges or restrictions
London's congested zone requires drivers to pay a fee during peak hours.
A zona congestionada de Londres exige que os motoristas paguem uma taxa durante as horas de pico.
2. A densely populated or crowded area with traffic flow problems
The city center is a congested zone during rush hour.
O centro da cidade é uma zona congestionada durante a hora de ponta.