Fixed rights‐of‐way impedes door‐to‐door service. Through service prone to delays in delivery. Relatively high percentage of goods damaged in transit.Equipment – Types of Rail CarBoxcar: Standardized roofed freight car with sliding doors on the side used for general commodities (plain); can be specially modified (equipped) for specialized merchandise, such as automobile parts.Hopper car: A freight car with the floor sloping to one or more hinged doors used for discharging bulk materials.Covered hopper: A hopper car with a roof designed to transport bulk commodities that need protection from the elements