Osaka International Airport, located in the densely populated suburbs of Itami and Toyonaka, was surrounded by buildings; it could not be expanded, and many of its neighbours had filed complaints because of noise pollution problems.
Bandara Internasional Osaka, terletak di berpenduduk padat pinggiran kota Itami dan Toyonaka, dikelilingi oleh bangunan, tetapi tidak bisa diperluas, dan beberapa negara tetangga telah mengajukan keluhan karena masalah polusi suara.