拥堵

拥堵	yōng dǔ	(of traffic) to become congested / congestion
拥	yōng	to hold in one's arms; to embrace / to surround; to gather around / to throng; to swarm / (bound form) to support (as in 拥护) / (literary) to have; to possess / Taiwan pr. [yong3]
堵	dǔ	to block up (a road, pipe etc) / to stop up (a hole) / (fig.) (of a person) choked up with anxiety or stress / wall (literary) / (classifier for walls)