slow-moving traffic

You are driving to an appointment and the traffic is annoyingly slow.

你正在开车去开会，却因为恼人的交通堵塞只能慢慢前进。

He was stuck in a line of slow-moving traffic.

他陷在缓缓移动的车流里了。

EXAMPLE : Traffic became slow and congested after the accident due to all the rubbernecking by drivers.

发生事故之后,由于司机纷纷观望,交通变得缓慢而拥堵.

The traffic is heavy and slow.

交通拥挤，车流缓慢。

Traffic is slow on the westbound carriageway of the M4.

M4号高速公路西向车道车流行驶缓慢。

Zhongshan Road West road traffic density, every intersection, and so have the light, slow taxi companies.

中山大道西路段车流密集, 每个路口都要等红灯, 车行缓慢.

The traffic is heavy and slow...

交通拥挤，车流缓慢。

Pay attention to traffic safety ; slow down , look around and then go ahead.

一慢二看三通过.