Metra Expenditures A set of files from the Data Transparency Portal listing Metra's expenditures by year. Data is available from 2015 through the current year. An updated version of the most recent file is sent to the RTA by Metra staff on a monthly basis. Vendor: The name of the expenditure's vendor Category: A brief description of the expenditure Amount Paid: The monetary value of the expenditure Payment Date: The date of the expenditure