Metra Rolling Stock Inventories of Metra's rail car and locomotive fleets. Data is sent to the RTA by Metra staff on a quarterly basis. FLEET_NAME: The name of the rail car fleet VEHICLE_TYPE: The type of rail car VEHICLES: The number of rail cars in the fleet EARLIEST_YEAR: The oldest manufacture year for the rail cars in the fleet LATEST_YEAR: The latest manufacture year for the rail cars in the fleet ADA_PERCENT: Percentage of the fleet that is ADA accessible HYBRID_PERCENT: Percentage of the fleet that are hybrid rail cars