0001293788-04-000026 4 1 20041221 20041221 20041221 Macquarie Infrastructure CO Trust 0001289788 5172 206196808 DE 1231 600 FIFTH AVENUE, 21ST FLOOR NEW YORK NY 10020 212-548-6555 600 FIFTH AVENUE, 21ST FLOOR NEW YORK NY 10020 Macquarie Infrastructure Assets Trust 20040510 Mitchell David 0001308234 4 34 001-32385 041218919 212-548-6538 C/O MACQUARIE INFRASTRUCTURE COMPANY LLC 600 FIFTH AVENUE, 21ST FLOOR NEW YORK NY 10020 4 1 primary_doc.xml PRIMARY DOCUMENT