Transportation Research Thesaurus (TRT)

  1. Home
  2. A: 908 terms
  1. Aeronautics
  2. Aerosols
  3. Aerospace engineering
  4. Aerospace industry
  5. Aerospace materials
  6. Aerostatics
  7. Aesthetics
  8. Affirmative action
  9. African Americans
  10. Afterburners
  11. Afternoon
  12. Age
  13. Age groups
  14. Age hardening
  15. Aged
  16. Aged drivers
  17. Ageing (Biology) USE Aging (Biology)
  18. Ageing (Materials) USE Aging (Materials)
  19. Aggregate gradation
  20. Aggregate mixtures
  21. Aggregate tests
  22. Aggregates
  23. Aggregates by gradation
  24. Aggregates by relationship to concrete
  25. Aggregates by shape and surface texture
  26. Aggregates by source
  27. Aggregates by treatment
  28. Aggregates, rock and stone
  29. Aggregation USE Cluster analysis
  30. Aggregation (Chemistry)
  31. Aggression
  32. Aggressive waters
  33. Aggressiveness (Psychology) USE Aggression
  34. Aging (Biology)
  35. Aging (Materials)
  36. Agitation (Mixing) USE Mixing
  37. Agricultural aviation
  38. Agricultural chemicals
  39. Agricultural economics
  40. Agricultural equipment
  41. Agricultural exemption
  42. Agricultural industry
  43. Agricultural products
  44. Agricultural roads USE Farm roads
  45. Agricultural wastes
  46. Agriculture
  47. AGT USE Automated guideway transit
  48. AGVS USE Automated guided vehicle systems
  49. AICC USE Autonomous intelligent cruise control
  50. AID (Automatic incident detection) USE Automatic incident detection
  51. Aids to air navigation
  52. Aids to navigation
  53. Ailerons
  54. Air
  55. Air ambulances
  56. Air bag restraint systems USE Air bags
  57. Air bags
  58. Air bases
  59. Air brakes
  60. Air cargo
  61. Air cargo terminals
  62. Air carriers USE Airlines
  63. Air charter service
  64. Air circulation USE Atmospheric circulation
  65. Air cleaners
  66. Air compressors
  67. Air conditioners
  68. Air conditioning systems
  69. Air content
  70. Air courier service
  71. Air currents
  72. Air cushion vehicles
  73. Air delivery USE Air drop
  74. Air dried soil
  75. Air drop
  76. Air engines
  77. Air entrained concrete
  78. Air entraining agents
  79. Air entraining cement
  80. Air entrainment
  81. Air filters
  82. Air Force personnel
  83. Air freight USE Air cargo
  84. Air freight forwarders
  85. Air heaters USE Air preheaters
  86. Air injection reactors
  87. Air injection systems
  88. Air intakes
  89. Air law
  90. Air lines USE Airlines
  91. Air mail service
  92. Air marshals (Law enforcement personnel) USE Sky marshals
  93. Air navigation USE Aircraft pilotage
  94. Air navigators
  95. Air pilots
  96. Air piracy USE Skyjacking
  97. Air pollutants USE Air pollution
  98. Air pollution
  99. Air pollution control USE Air quality management
  100. Air pollution sources
  101. Air preheaters
  102. Air pressure
  103. Air quality
  104. Air quality management
  105. Air resistance
  106. Air route traffic control USE Enroute traffic control
  107. Air route traffic control centers
  108. Air routes
  109. Air screws USE Propellers
  110. Air shipments
  111. Air springs
  112. Air suspension systems
  113. Air taxi service
  114. Air traffic
  115. Air traffic control
  116. Air traffic control facilities
  117. Air traffic control radar beacon system
  118. Air traffic control systems USE Air traffic control
  119. Air traffic controllers
  120. Air traffic management USE Air traffic control
  121. Air transportation
  122. Air transportation facilities
  123. Air transportation policy
  124. Air travel
  125. Air truck transportation
  126. Air voids
  127. Air water interfaces
  128. Airbags USE Air bags
  129. Airborne navigational aids
  130. Airborne surveying USE Aerial surveying
  131. Airbridges
  132. Aircraft
  133. Aircraft accident victims
  134. Aircraft accidents
  135. Aircraft approach spacing USE Approach control
  136. Aircraft by motive power
  137. Aircraft by ownership
  138. Aircraft by size
  139. Aircraft by speed
  140. Aircraft by type of lift
  141. Aircraft cabins
  142. Aircraft carriers
  143. Aircraft collisions
  144. Aircraft conflicts USE Aircraft separation
  145. Aircraft control USE Aircraft pilotage
  146. Aircraft exhaust gases
  147. Aircraft fuels
  148. Aircraft gates
  149. Aircraft guidance USE Aircraft pilotage
  150. Aircraft industry
  151. Aircraft landing areas USE Landing fields
  152. Aircraft materials
  153. Aircraft navigational aids
  154. Aircraft noise
  155. Aircraft operations
  156. Aircraft pilotage
  157. Aircraft pilots USE Air pilots
  158. Aircraft separation
  159. Aircraft structural components
  160. Airfoils
  161. Airframes
  162. Airline accidents USE Aircraft accidents
  163. Airline industry USE Airlines
  164. Airline pilots
  165. Airlines
  166. Airplane ambulances USE Air ambulances
  167. Airplane industry USE Aircraft industry
  168. Airplane pilots USE Air pilots
  169. Airplanes
  170. Airport access
  171. Airport capacity
  172. Airport control towers
  173. Airport control towers
  174. Airport facilities
  175. Airport ground transportation
  176. Airport noise
  177. Airport operations
  178. Airport parking
  179. Airport parking facilities
  180. Airport pavements USE Airport runways
  181. Airport planning
  182. Airport ramps USE Aprons (Airports)
  183. Airport runways
  184. Airport surface traffic control
  185. Airport terminals
  186. Airport ticket counters
  187. Airport traffic
  188. Airports
  189. Airships
  190. Airside operations
  191. Airspace (Aeronautics)
  192. Airspace (Law)
  193. Airspace utilization
  194. Airspeed
  195. Airstrips
  196. Airways
  197. Airworthiness
  198. Airworthiness
  199. Alarm systems
  200. Alcohol abuse