通航 (tung1 hong4) — to be open to sea or air traffic; to be open to navigation in Cantonese
tungˉ¹通hongˎ₄航Mandarin Pinyin: tong1 hang2
Meaning of 通航
nounto be open to sea or air traffic; to be open to navigation
noun(verb) (traffic) Open up (air, sea route, etc.)