This is another post in a series about route cards, the small tags of light cardstock, typically about 3 x 5 inches, attached to freight cars to inform switchmen how to switch a car. They were attached to small tack boards, which after 1937 were 5.

This is another post in a series about route cards, the small tags of light cardstock, typically about 3 x 5 inches, attached to freight cars to inform switchmen how to switch a car. They were attached to small tack boards, which after 1937 were 5.