HSK 6 · adjective · Practice
畅通
unobstructed; smooth; clear (of traffic, flow)
修好新路以后，这条街的交通一直很畅通。
Xiū hǎo xīn lù yǐhòu, zhè tiáo jiē de jiāotōng yìzhí hěn chàngtōng.
Since the new road was repaired, traffic on this street has always flowed smoothly.