Translation of "Jams" in Chinese

Before now, when you thought of a city, you thought of crowded streets, parking problems, traffic jams, queues, noise and fumes.

以前，想到城市，人们就会想到拥挤的街道、紧缺的车位、拥挤的交通、排得老长的队伍以及噪音和烟雾。

I go to the office by car, and I try to leave home as early as I can so that I can avoid the traffic jams.

我开车去办公室，我试图尽可能早的从家里出发，以便能避开交通拥堵。