ICE BUNKER (refrigerator car)
The compartment in which the ice is placed.
A charge made for icing perishable freight.
Vent at forward end of door. Derived from individually controlled ventilation.
ID Entry Type
Setup parameter to select display data entry format in ProDriver. ( Detroit )
Designation of a road location, a vehicle, a person, or a traffic accident in such a manner as to positively distinguish it from all others of the same description. Identification is often accomplished by a unique number such as a vehicle identification number, registration number, or driver's license number.
Warning lights on an instrument panel which glow red when something in the engine goes wrong; e.g., low oil pressure.
The amount of fuel used while the engine was in Idle Mode. ( Detroit )
There are three methods of detecting that the engine is in idle: ( Detroit )
1. VSS Idle, where the engine is running but vehicle speed is less than a threshold (default value is 1.5 mph).
2. Idle Governor Idle, where the Idle Governor is in use.
3. RPM/Load Idle, where the engine is operating below an RPM threshold and below a percent engine load threshold.
Engine operation which meets the conditions of the idle method chosen in Vehicle Parameters setup. ( Detroit )
The percentage of the total Trip Time the engine was in Idle Mode. ( Detroit )
Trip Time spent in Idle Mode. ( Detroit )
Idle Time Limit
Setup parameter for the excessive idle screen timer in ProDriver ( Detroit )
The idler arm is a rod, connected at one end to the teas link and at the other end to a pivot point on the chassis. The idler arm supports the end of the drag link opposite the pitman arm, and forms an "image" of the pitman arm. The idler arm, drag link, tie rods, and steering knuckles comprise the steering linkage.
An unloaded flat car used to protect overhanging freight.
IGNITION INTERLOCK RELAY
A normally closed relay which when energized by the sequencing module interrupts the starter circuit.
Impact is the meeting and the action of two bodies in a collision that changes the velocity of either or both When the two bodies first make contact at a single point, deformation will take place at that point and will progressively spread until the two bodies eventually make contact over the maximum area
An appliance placed in a car with a shipment which is both a time clock and a measuring device to record the amount of shock the car received enroute.
IMPENDING SKID MARKS
Left by a braked wheel rotating slower than the forward motion of the vehicle
To receive goods from a foreign country.
An imprint of a tire or shoe pattern in soft material; the tire pattern at the bottom of a rut.
A mark on the road or other surface made without sliding by a rolling tire or a person's foot. An imprint usually shows the pattern of the tire tread or shoe that made it.
A vector quantity whose direction is that of the force (f) in the equation f*t=s, where t is the time the impulse acts, and is the displacement. Impulse is recorded as pound seconds (lb*s). An impulse causes a change in momentum. This change is equal to the impulse in both magnitude and direction. f*t = m(vf - vi)
Merchandise on which a duty or import tax is still due (unpaid) is referred to as an "in bound". Bonding guarantees that the duty will be paid to the government.
IN THE CLEAR
When a train has passed over switch and frog so far that another can pass it without damage, it is in the clear.
IN THE HOLE
(slang) A car or train in a siding.
Air cushion deployment in a non-accident condition, caused by a malfunction.
Data Last 120 seconds of data for; Time: Driver Incident 1:59 to 0:00, Hard Braking Incident 1:29 to +0:30, Last Stop Record 1:44 to +0: 15 ( Detroit )
Speed Vehicle speed in .5 mph resolution at the time marker
RPM Engine speed at the of time marker.
Brake Brake status at time of the marker.
Clutch Clutch status at the time of the marker.
Percent Load Percent load at time of the marker.
Percent Throttle Percent throttle at time of the marker
Cruise Mode Cruise status at the time of the marker.
Alert Alerts active at time of the marker.
The angle between the Z' axis and the wheel plane.
An incomplete collision is a collision between two objects in which there is no cessation of motion between areas of the colliding objects that are in contact with one another.
INDEPENDENT BRAKE VALVE (air brake)
A brake valve for operating the locomotive brakes independently of the train brakes.
The information conveyed by the aspect of a signal.
Damage to a vehicle other than contact damage. Often indicated by crumpling, distortion, bending, and breaking. Induced damage includes damage done by another part of the same vehicle. Compare with contact damage.
INDUSTRIAL CARRIER; INDUSTRIAL LINE; OR INDUSTRIAL ROAD
A short railroad owned or controlled by one or more of the principal industries served by it.
The tendency of an object at rest to remain at rest, and of an object in motion to continue in motion without a change in vector velocity.
Liquids that give off vapors which become combustible at a certain temperature.
Any person who communicates information; not an informer.
Any knowledge received concerning a particular matter, such as a traffic accident, from any source, regardless of the reliability of the knowledge.
The transportation line that picks up a shipment from the shipper; the first carrier.
Initial contact is that point in the collision sequence where two objects in collision first come into contact with one another Collision forces at this point are still zero.
The location at which a shipment originates.
(vi): The velocity at the beginning of an event or sequence of events.
Process used to produce plastic interior and exterior automotive parts. Parts are formed by injecting molten plastic into a mold.
A device found in a diesel engine that changes liquid fuel oil into a mist or spray and meters it to each cylinder.
A pump used to deliver fuel to the injectors under very high pressure.
Person sustaining any type of injury as a result of an accident, including injuries from non - impact forces.
Specified maximum forces and/or accelerations measured on anthropomorphic test devices during specific impacts. Refer to chest load, femur load, head injury criteria and severity index.
The ratio of the frequency of personal injuries or injury accidents to the frequency of some exposure measure such as vehicle miles, passenger miles, or all accidents.
A transportation line which hauls export or import traffic between ports and inland points.
A small, cylindrical, impermeable air cushion which prevents occupant sub-marining.
Reinforcing steel or aluminum channel section usually pressed within main frame rails.
(vehicle) Checking over the vehicle parts and systems for problems and malfunctions and to see that everything is in order and in place. Pre-trip inspection is a thorough inspection done before the trip. Enroute inspections are made periodically during the trip. Post-trip inspections are done after the trip, so that problems and malfunctions can be reported to maintenance personnel.
(v): The average velocity for a time interval that approaches zero (0).
The portion of the interior extending from door to door directly in front of the driver, and containing primary gauges and controls for operating the vehicle.
Devices for indicating or measuring conditions, performance, position, direction, etc.
Truck or trailer body designed for transportation of commodities at controlled temperatures. It may be equipped for refrigeration, heating or both.
INSULATED RAIL JOINT
A rail joint which arrest the flow of electric current from rail to rail as at the end of a track circuit, by means of nonconductors separating rail ends and other metal parts.
A contract binding a company to indemnify an insured party against a specified loss or damage. Motor carriers purchase many types of insurance, including cargo insurance, property damage insurance, public liability insurance, and workmen's compensation insurance.
An opening in the surface to allow air to flow in, usually to cool brakes, engine, or occupants for passenger comfort.
That part of the fuel system that carries the air or air fuel mixture to the cylinders.
Provide the connecting passages from the outside of the cylinder heads to the inside head openings (the velvet).
Phase of the four-stroke cycle when fuel and air enter the cylinder.
Valves used in an engine to admit air into the combustion chambers of the cylinders.
Combined to act as a single unit.
A body construction that integrates the frame into the basic body structure such that chassis parts are attached directly to the body metal.
A system which uses a portion of the front brake capability when the rear brake pedal is pushed.
An electronic circuit with all of its components formed on a single miniature silicon chip.
The blending of separate units into a unified or functioning whole.
The path that would have been followed by a traffic unit as a normal part of its trip had the situation hazard not led to evasive tactics or accident.
ProDriver setup parameter to set the display brightness level ( Detroit )
Gear device dividing power equally between axles and compensating for unequal tire diameters.
INTERAXLE DIFFERENTIAL LOCK
See differential lock.
The point at which two straight lines, such as the extension of two roadway edges, cross each other; the apex of the angle formed by two straight lines which cross. Also called point of intersection.
A system of interconnecting roadways in conjunction with one or more grade separations, providing for the movement of traffic between two or more roadways on different levels. Compare with intersections and junction.
A station at which freight in the course of transportation is delivered by one transportation line to another.
A track on which freight is delivered by one railroad to another.
Trucking operations which carry freight beyond the local areas and commercial zones.
Freight moving from point of origin to destination over the lines of two or more transportation companies.
A waybill covering the movement of freight over two or more transportation lines.
An arrangement of signals and switches "interlocked" in such a way that their movements must succeed each other in a predetermined order so that a clear indication cannot be given simultaneously on conflicting routs. They are found at a crossing of two railroads, a drawbridge, a junction, or entering or leaving a terminal or yard.
The tracks between the extreme opposing home signals of an interlocking direction of motion and the portion of the stroke of the piston during which steam is admitted to the cylinder.
A carrier over which a shipment moves but on which neither the point of origin nor destination is located.
A location between two other points specifically named.
Transportation movement involving more than one mode, e.g., rail-motor, motor-air, or rail-water.
The response of the interior of a biological system to externally applied forces. For example, the amount of rib deflection resulting from impact.
INTERNAL EXPANDING BRAKE
A type of brake designed with the brake shoes on the inside of the braking drum to expand against the inner surface of the drum.
Formally examining a suspect by questioning.
The point at which two straight lines, such as the extensions of two roadway edges, cross; the apex of the angle formed by two straight lines which cross. Also called point of intersection.
The area embraced within the prolongation or connection of the lateral curb lines, or if none, then the lateral boundary lines of the roadway of two highways which join one another at, or approximately at, right angles, or the area within which vehicles traveling upon different highways join at any other angle may come in conflict. Where a highway includes two roadways thirty feet or more apart, then every crossing of each roadway of such divided highway shall be regarded as a separate intersection. In the event such intersecting highway also includes two roadways thirty feet or more apart, then every crossing of two roadways of such highway shall be regarded as a separate intersection. Compare with junction.
INTERSTATE COMMERCE ACT
An act of Congress regulating the practices, rates and rules of transportation lines engaged in handling interstate traffic.
Traffic moving from a point in one state to a point in another state or between points in the same state, but passing within or through another state enroute.
INTRA PLANT SWITCHING
The moving of cars from one track to another within a plant.
The extent to which elements of the vehicle structure intrude into the passenger compartment space as a result of impact forces. The reduction in an interior dimension, due to door, footwell, or bulkhead intrusion.
(Initial Sample Inspection Report) A specified format for submitting initial samples to the OOEM for approval. Elements of an ISIR include: Initial Sample Warrant, sample parts, checked print, lab test results to OEM specifications, certification data, gauge studies, process capability results, process flow diagrams, control plans and FMEAs. (Generic) - OEM Specific Initial Sample Names: Chrysler Corporation: ISIR (Initial Sample Inspection Report); Ford Motor Company: ISR (Initial Sample Report; General Motors Corporation: GP-e (See GP-3)
(Initial Sample Laboratory Report) The component of the initial sample submission that reports performance of product of OEM material and engineering standards. (Generic)
Inside of Metal
(International Standards Organization) is an internationally recognized organization that has established international standards for quality assurance systems. ISO 9002 applies to production/manufacturing locations. Plants must be approved and registered to enable suppliers to do business in the newly formed European Economic Community.
(Initial Sample Report, Ford) See definition of ISIR.
Any process of successive approximation used in such problems as numerical solution of algebraic equations
Caterpillar User's Manual