I can't really speak to that specific question, but I can assure you that the way our communication went, it was clear that the minister was kept informed by his staff, or at least that's what we were told. We felt confident that the information we were bringing would find its way where it belonged, ultimately.
Evidence of meeting #52 for Transport, Infrastructure and Communities in the 44th Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was communication.
A video is available from Parliament.