Transportation Research Thesaurus (TRT)
Toggle navigation
Home
Advanced search
About...
My account
0-9
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Home
I
:
418
terms
I beams
Ice
Ice accretion
USE
Icing
Ice by location
Ice concentration
Ice control
USE
Deicing
Ice cover
USE
Ice concentration
Ice floes
Ice fog
Ice formations
Ice islands
Ice navigation
Ice phenomena
Ice prevention
Ice storms
Icebergs
Icebreakers
Icebreaking
Icing
Icon based interfaces
USE
Graphical user interfaces
Icy roads
Identification systems
Idle time
IFR
USE
Instrument flying
Igneous rocks
Ignition
Ignition coils
Ignition seat belt interlocks
Ignition systems
Illiterates
Illites
Illness
USE
Diseases and medical conditions
Illuminated traffic signs
Illuminating engineering
Illumination
USE
Lighting
Image analysis
Image coding
Image fields in optical scanning
Image interpretation
USE
Image analysis
Image processing
Image transmission
Imagery
Immersion tests
Immunity (Law)
Immunity of government
USE
Sovereign immunity
Impact
Impact attenuators
USE
Crash cushions
Impact fees
Impact forces
USE
Set forward force
Impact loads
Impact sleds
Impact studies
Impact tests
Impact tests
Impacts
Impaired drivers
Impedance (Electricity)
USE
Electrical impedance
Impellers
USE
Rotors
Imperial system of units
Impervious materials
Impervious membranes
Impervious soils
Impervious surfaces
USE
Moisture barriers
Implementation
Implied consent laws
Import flow
USE
Imports
Imports
Impregnating
USE
Impregnation (Engineering)
Impregnation (Engineering)
Improvements
Impulse loading
USE
Impulses (Mechanics)
Impulse tests
Impulses (Mechanics)
Impurities
In place density
In situ tests
USE
Field tests
In transit passenger services
In vehicle advisory
USE
Driver information systems
In vehicle annunciators
In vehicle communications
USE
Driver information systems
In vehicle computers
USE
Automotive computers
In vehicle computing
USE
Mobile computing
In vehicle route guidance
USE
Route guidance
In vehicle sensors
In-line skates
In-place recycling
In-situ recycling
USE
In-place recycling
Inbound transportation
Incandescent lamps
Incentives
Incident detection
Incident management
Incinerator residue
USE
Fly ash
Incinerators
Inclinometers
Income
Indemnity
Index numbers
Index of refraction
USE
Refractivity
Index tests
Index tests (soils)
USE
Index tests
Indexes (Information management)
Indexing
Indian reservations
Indians of North America
USE
Native Americans
Indicating instruments
Indicators (Instruments)
Indigenous peoples
Indirect costs
Individual organic compounds
Inductance
Induction
USE
Electromagnetic induction
Induction heating
Induction loop detectors
USE
Loop detectors
Induction loops
USE
Loop detectors
Induction motors
Inductive interference
Inductive loops
USE
Loop detectors
Industrial accidents
Industrial areas
Industrial buildings
Industrial economics
Industrial engineering
Industrial hygiene
Industrial location
Industrial materials
Industrial organization
USE
Industry structure
Industrial plants
Industrial railroads
Industrial relations
USE
Labor relations
Industrial robots
Industrial trucks
Industrial wastes
Industrialized countries
USE
Developed countries
Industries
Industry
USE
Industries
Industry structure
Inelastic stress
Inert gas shielded arc welding
Inert gases
USE
Noble gases
Inertia (Mechanics)
Inertial forces
Inertial guidance
USE
Inertial navigation systems
Inertial navigation systems
Infant restraint systems
USE
Child restraint systems
Infants
Infectious diseases
USE
Communicable diseases
Inference mechanisms
USE
Statistical inference
Infiltration
Inflammable materials
USE
Flammable materials
Inflammable materials
USE
Flammable materials
Inflatable life rafts
Inflatable structures
Inflation
Inflight entertainment
Inflight services
USE
In transit passenger services
Influence lines
Information display systems
Information dissemination
Information management
Information organization
Information processing
USE
Data processing
Information retrieval
Information services
Information storage and retrieval systems
Information systems
Information technology
Information theory
Infrared analysis
Infrared detectors
Infrared heating
Infrared imagery
Infrared photography
Infrared radiation
Infrared radiation
Infrared scanning
USE
Infrared detectors
Infrared spectroscopy
Infrasonic noise
USE
Infrasound
Infrasound
Infrastructure
Inhibitors (Chemistry)
Injection (Geology)
Injection molding
Injuries
Injury
USE
Injuries
Injury causes
Injury characteristics
Injury classification
Injury outcome
USE
Outcome (Medical treatment)
Injury rates
Injury severity
Injury types
Ink
Inland navigation
USE
Ship pilotage
Inland ports
USE
River ports
Inland terminals
USE
River ports
Inland water transportation
Inland waterways
Inland waterways traffic
Inland waterways vessels
1
2
3
Next »