Transportation Research Thesaurus (TRT)

  1. I beams
  2. Ice
  3. Ice accretion USE Icing
  4. Ice by location
  5. Ice concentration
  6. Ice control USE Deicing
  7. Ice cover USE Ice concentration
  8. Ice floes
  9. Ice fog
  10. Ice formations
  11. Ice islands
  12. Ice navigation
  13. Ice phenomena
  14. Ice prevention
  15. Ice storms
  16. Icebergs
  17. Icebreakers
  18. Icebreaking
  19. Icing
  20. Icon based interfaces USE Graphical user interfaces
  21. Icy roads
  22. Identification systems
  23. Idle time
  24. IFR USE Instrument flying
  25. Igneous rocks
  26. Ignition
  27. Ignition coils
  28. Ignition seat belt interlocks
  29. Ignition systems
  30. Illiterates
  31. Illites
  32. Illness USE Diseases and medical conditions
  33. Illuminated traffic signs
  34. Illuminating engineering
  35. Illumination USE Lighting
  36. Image analysis
  37. Image coding
  38. Image fields in optical scanning
  39. Image interpretation USE Image analysis
  40. Image processing
  41. Image transmission
  42. Imagery
  43. Immersion tests
  44. Immunity (Law)
  45. Immunity of government USE Sovereign immunity
  46. Impact
  47. Impact attenuators USE Crash cushions
  48. Impact fees
  49. Impact forces USE Set forward force
  50. Impact loads
  51. Impact sleds
  52. Impact studies
  53. Impact tests
  54. Impact tests
  55. Impacts
  56. Impaired drivers
  57. Impedance (Electricity) USE Electrical impedance
  58. Impellers USE Rotors
  59. Imperial system of units
  60. Impervious materials
  61. Impervious membranes
  62. Impervious soils
  63. Impervious surfaces USE Moisture barriers
  64. Implementation
  65. Implied consent laws
  66. Import flow USE Imports
  67. Imports
  68. Impregnating USE Impregnation (Engineering)
  69. Impregnation (Engineering)
  70. Improvements
  71. Impulse loading USE Impulses (Mechanics)
  72. Impulse tests
  73. Impulses (Mechanics)
  74. Impurities
  75. In place density
  76. In situ tests USE Field tests
  77. In transit passenger services
  78. In vehicle advisory USE Driver information systems
  79. In vehicle annunciators
  80. In vehicle communications USE Driver information systems
  81. In vehicle computers USE Automotive computers
  82. In vehicle computing USE Mobile computing
  83. In vehicle route guidance USE Route guidance
  84. In vehicle sensors
  85. In-line skates
  86. In-place recycling
  87. In-situ recycling USE In-place recycling
  88. Inbound transportation
  89. Incandescent lamps
  90. Incentives
  91. Incident detection
  92. Incident management
  93. Incinerator residue USE Fly ash
  94. Incinerators
  95. Inclinometers
  96. Income
  97. Indemnity
  98. Index numbers
  99. Index of refraction USE Refractivity
  100. Index tests
  101. Index tests (soils) USE Index tests
  102. Indexes (Information management)
  103. Indexing
  104. Indian reservations
  105. Indians of North America USE Native Americans
  106. Indicating instruments
  107. Indicators (Instruments)
  108. Indigenous peoples
  109. Indirect costs
  110. Individual organic compounds
  111. Inductance
  112. Induction USE Electromagnetic induction
  113. Induction heating
  114. Induction loop detectors USE Loop detectors
  115. Induction loops USE Loop detectors
  116. Induction motors
  117. Inductive interference
  118. Inductive loops USE Loop detectors
  119. Industrial accidents
  120. Industrial areas
  121. Industrial buildings
  122. Industrial economics
  123. Industrial engineering
  124. Industrial hygiene
  125. Industrial location
  126. Industrial materials
  127. Industrial organization USE Industry structure
  128. Industrial plants
  129. Industrial railroads
  130. Industrial relations USE Labor relations
  131. Industrial robots
  132. Industrial trucks
  133. Industrial wastes
  134. Industrialized countries USE Developed countries
  135. Industries
  136. Industry USE Industries
  137. Industry structure
  138. Inelastic stress
  139. Inert gas shielded arc welding
  140. Inert gases USE Noble gases
  141. Inertia (Mechanics)
  142. Inertial forces
  143. Inertial guidance USE Inertial navigation systems
  144. Inertial navigation systems
  145. Infant restraint systems USE Child restraint systems
  146. Infants
  147. Infectious diseases USE Communicable diseases
  148. Inference mechanisms USE Statistical inference
  149. Infiltration
  150. Inflammable materials USE Flammable materials
  151. Inflammable materials USE Flammable materials
  152. Inflatable life rafts
  153. Inflatable structures
  154. Inflation
  155. Inflight entertainment
  156. Inflight services USE In transit passenger services
  157. Influence lines
  158. Information display systems
  159. Information dissemination
  160. Information management
  161. Information organization
  162. Information processing USE Data processing
  163. Information retrieval
  164. Information services
  165. Information storage and retrieval systems
  166. Information systems
  167. Information technology
  168. Information theory
  169. Infrared analysis
  170. Infrared detectors
  171. Infrared heating
  172. Infrared imagery
  173. Infrared photography
  174. Infrared radiation
  175. Infrared radiation
  176. Infrared scanning USE Infrared detectors
  177. Infrared spectroscopy
  178. Infrasonic noise USE Infrasound
  179. Infrasound
  180. Infrastructure
  181. Inhibitors (Chemistry)
  182. Injection (Geology)
  183. Injection molding
  184. Injuries
  185. Injury USE Injuries
  186. Injury causes
  187. Injury characteristics
  188. Injury classification
  189. Injury outcome USE Outcome (Medical treatment)
  190. Injury rates
  191. Injury severity
  192. Injury types
  193. Ink
  194. Inland navigation USE Ship pilotage
  195. Inland ports USE River ports
  196. Inland terminals USE River ports
  197. Inland water transportation
  198. Inland waterways
  199. Inland waterways traffic
  200. Inland waterways vessels