Correct

拥堵

/ yōng dǔ /
Strokes

Definition

(of traffic) to become congested/congestion

Example

As a Noun

traffic congestion; traffic jam

1
必须
cǎi
采取
cuòshī
措施
huǎnjiě
缓解
shìōu
市区
jiāotōng
交通
yōng
拥堵
zhuàngkuàng
状况
  

Measures must be taken to relieve the traffic jams in the urban areas.