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Jyutping jung2 dou2
Pinyin yōng dǔ

Definitions (Wiktionary)
  1. verb, especially, of traffic
    to be congested; to be jammed up; to be blocked
    • 前方擁堵。
      前方拥堵。
      qián fāng yōng dǔ .
      Congestion ahead.
    • 交通擁堵
      交通拥堵
      jiāo tōng yōng dǔ
      traffic jam

擁堵 [拥-]

Jyutping
Pinyin yōng dǔ

Definitions (CC-CEDICT)
  1. (of traffic) to become congested
  2. congestion
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    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。
    我開車去辦公室,我試圖儘可能早的從家裏出發,以便能避開交通擁堵。
    wǒ kāi chē qù bàn gōng shì , wǒ shì tú jǐn kě néng zǎo de cóng jiā lǐ chū fā , yǐ biàn néng bì kāi jiāo tōng yōng dǔ 。
    • 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.
Examples (Wiktionary)
  1. Mandarin
    前方拥堵。
    前方擁堵。
    qián fāng yōng dǔ .
    • Congestion ahead.
  2. Mandarin
    交通拥堵
    交通擁堵
    jiāo tōng yōng dǔ
    • traffic jam