A professional who verifies identity of freight cars entering classification yard to ensure that trains are complete upon arrival. Respnsibilities include:

• Records information, such as car number, type of car, car owner, and date and time of arrival.
• Compares information with manifest and prepares report showing discrepancies.
• Examines door seals on cars to determine that seals have not been tampered with or broken.
• Marks code number or symbol on cars to indicate disposition of cars by switching crew.
• May record date, mileage, and number of cars switched by switching crew and be known as Switching Clerk.