Though this is unrelated to GTFS data, agencies sometimes ask us how they change the information that appears in Google's Web Search. Generally, if a customer searches for an agency name, they will see a result that shows office address, phone number, and website. Example screenshot below.
The box that appears with the map and business name can be edited by following these steps:
This article describes how to report other problems in Google Maps that are related to GTFS data: