Customer Glossary I-O



Placing ice in cars, either prior to or during transportation.

Illegal Rate

One that is not published in accordance with the law.


To receive goods from a foreign country.

In bond

Shipments moving under United States Customs Bond.

Index of Tariffs

A publication which lists all the tariffs to which the agent or carrier issuing same is a party.

Individual Tariff

One issued by a transportation line.

Industry Track

Track used for serving a particular industry or industries.

Inflammable Liquids

Liquids which become combustible at a certain temperature.

Initial Carrier

The transportation line to which a shipment is delivered by the shipper.

Initial Point

The point at which a shipment originates.

Inland Carrier

A transportation line which hauls export or import traffic between ports and inland points.


Transfer of freight from one carrier to another.

Interchange Points

A terminal at which freight in the course of transportation is delivered by one transportation line to another.


Between two or more transportation lines.

Interline Freight

Freight moving from point of origin to destination over the lines of two or more transportation lines.

Interline Waybill

A waybill covering freight which moves over two or more carriers.

Intermediate Carrier

A transportation line over which a shipment moves but on which neither the point of origin nor destination is located.

Intermediate Switching

Switching service which includes all the elements of switching performed by a carrier which neither originates nor terminates the shipment nor receives a line haul on that shipment.


The movement of freight by two or more modes of transportation, for example: rail-truck or ship-rail.

Inter-terminal Switching

A switching move performed by two railroads; railroad one will move equipment from an industry, then interchange equipment with railroad two for placement at an industry within the same terminal switching limits.

Intra-Plant Switching

A switching move performed by moving equipment from one location to another location within the same industry.

Intra-Terminal Switching

A switching move performed by one railroad, by moving equipment from one industry to another industry within the same switching limits of a terminal.

Issuing Carrier

The carrier by which a tariff is published or Bill of Lading or other documents are issued.



A wood or fibre cover placed around containers.

Joint Agent

A person with power to transact business for two or more carriers.

Joint Industry

An industry served by more than one railroad.

Junction Point

(a) A point where two or more transportation lines meet.
(b) A point at which a branch line track connects with the main line track.



That which constitutes a load. The freight in or on a rail car, trailer or container.

Last Contained

A term referring to an empty car that still has residue of the previous commodity it carried. This is significant if the commodity was hazardous.

Less than Carload

Shipments of less than carload volume.

Less than Truckload

Shipments of less than truckload volume.

Line Haul

The movement of freight over the routes of a carrier from one town or city to another town or city.


A freight train that does station work between its originating and terminating stations.

Local Move

A railroad movement in which only one road haul carrier participates. The one carrier serves both the origin and destination station.

Local Outbound Block Identification

A local label placed on a group of cars that have either a common destination or a common set out location.

Maintenance of Way

The process of maintaining roadbed (rail, ties, ballast, bridges etc.) These materials are hauled in special maintenance of way cars, which also include cars that are equipped with heavy equipment, such as cranes and tie replacing machines.


A document containing a complete description of the Contents of a ship, car or truck.

Market Capacity

The carrying capacity of a car as indicated by the figures stenciled on the side of the car.


Letters, numbers and or characters placed on a package for purpose of identification.

Measurement of Cargo

Cargo on which the transportation charge assessed, on the basis of measurement.

Mechanical Instructions

An order issued against a car that imposes restrictions on the movement or routing of the car because of mechanical requirements.

Mileage Allowance

An allowance, based on distance, made by carriers to owners of private cars for the use of their equipment.

Milling in Transit

The stoppage of commodities while in transit for the purpose of milling, such as stopping wheat for grinding, corn for shelling etc.

Mixed Carload

A carload of different articles in a single consignment.


National Pool

An assignment of cars established to handle the requirement of a particular customer, having no assignment location.

Nested Solid

When three or more articles are placed one within the other so that the outer surface of the one above will be in contact with the inner surface of the one below and each upper article will not project above the next lower article more than one quarter each.

Net Weight

(a) The weight of an article clear of packing and container.

(b) As applied to car/trailer the weight of the entire Contents of the equipment.

Next System Destination

The next or final destination on the Union Pacific System where a stop is to be accomplished.

Ocean Bill of Lading

Receipt and contract of carriage with a steamship company movement of goods between ports.

Off Junction

Location where interchange to another carrier takes place.

On line

Referring to the movement of cars on the Union Pacific system only.

Operating Expense

The cost incident to the actual handling of traffic.

Open and Prepay Station List

A publication containing a list of freight stations in the U.S., Canada and Mexico, with information as to whether freight may be sent to them collect, or charges must be prepaid.

Open Delivery

In an Open Interchange Delivery, per a prior agreement, a car will remain in the UP per diem account, but the connecting line will spot the car for us. The agreement normally stipulates that UP computes and assess the demurrage charges.

Open Receipt

An open receipt differs from a normal interchange receipt in that there must be a prior agreement that defines the open interchange. In open interchange receipt the UP accepts the cars for placement at the customers' plants, we place the cars and pull and return them to the carrier originally giving us the equipment.