Transportation Research Thesaurus (TRT)

  1. Abandonment
  2. Abdomen
  3. Abilities
  4. Ability tests
  5. Ablative materials
  6. Abrasion
  7. Abrasion resistance
  8. Abrasion resistant coatings
  9. Abrasion tests
  10. Abrasions
  11. Abrasive blasting USE Blast cleaning
  12. Abrasives
  13. ABS USE Antilock brake systems
  14. ABS USE Antilock brake systems
  15. Absenteeism
  16. Absorbents
  17. Absorbers (Materials) USE Absorbents
  18. Absorption
  19. Absorption spectra
  20. Absorption spectroscopy
  21. Absorptivity
  22. Abstracts
  23. Abutments
  24. AC motors USE Alternating current motors
  25. Accelerated tests
  26. Accelerated weathering
  27. Accelerating agents
  28. Accelerating potential
  29. Acceleration (Mechanics)
  30. Acceleration lanes
  31. Accelerators (Concrete) USE Accelerating agents
  32. Accelerators (Devices)
  33. Accelerators (Materials)
  34. Accelerographs
  35. Accelerometers
  36. Acceptance
  37. Acceptance sampling
  38. Acceptance tests
  39. Access
  40. Access control (Communications)
  41. Access control (Transportation)
  42. Access for the physically handicapped USE Barrier free design
  43. Access management (Highways) USE Access control (Transportation)
  44. Access roads
  45. Access to airports USE Airport access
  46. Accessibility
  47. Accessorial services
  48. Accident analysis
  49. Accident black spots USE Accident prone locations
  50. Accident causes
  51. Accident characteristics
  52. Accident data
  53. Accident diagrams
  54. Accident exposure
  55. Accident factors USE Accident causes
  56. Accident frequency USE Accident rates
  57. Accident investigation
  58. Accident investigation sites
  59. Accident locations
  60. Accident prone drivers
  61. Accident prone locations
  62. Accident proneness
  63. Accident rates
  64. Accident reconstruction
  65. Accident records
  66. Accident reports
  67. Accident responsibility USE Accident causes
  68. Accident risk forecasting
  69. Accident severity
  70. Accident survivability USE Survival
  71. Accident survival time
  72. Accident types
  73. Accident victims
  74. Accidents
  75. Accounting
  76. Accumulators (Electricity) USE Storage batteries
  77. Accuracy
  78. Acetates
  79. Acetic acid
  80. ACI USE Automatic car identification
  81. Acid brittleness
  82. Acid rain
  83. Acid soils
  84. Acidity
  85. Acids
  86. Acoustic absorption USE Sound absorption
  87. Acoustic attenuation USE Sound attenuation
  88. Acoustic detectors
  89. Acoustic ducts
  90. Acoustic emission
  91. Acoustic emission method USE Acoustic emission tests
  92. Acoustic emission tests
  93. Acoustic equipment
  94. Acoustic generators
  95. Acoustic impedance
  96. Acoustic insulation USE Damping (Engineering)
  97. Acoustic materials
  98. Acoustic measuring instruments
  99. Acoustic navigation USE Sonic navigation
  100. Acoustic properties
  101. Acoustic radiation
  102. Acoustic scattering
  103. Acoustic signal processing
  104. Acoustic signature
  105. Acoustic velocity USE Speed of sound
  106. Acoustic waves
  107. Acoustics
  108. Acrylic resins
  109. Actinides
  110. Activation (Chemistry)
  111. Activation analysis
  112. Active automotive suspensions USE Active suspension systems
  113. Active grade crossing warning systems USE Grade crossing protection systems
  114. Active suspension systems
  115. Active suspension systems
  116. Activities leading to information generation
  117. Activity centers
  118. Activity choices
  119. Actuated traffic signal controllers
  120. Actuating systems
  121. Actuators
  122. Adaptation (Psychology)
  123. Adaptation and use of bituminous materials
  124. Adaptation and use of specific materials
  125. Adaptive control
  126. Adaptive cruise control USE Autonomous intelligent cruise control
  127. Adaptive systems USE Adaptive control
  128. Additives
  129. ADHD USE Attention deficit hyperactivity disorder
  130. Adhesion
  131. Adhesive bonding USE Adhesion
  132. Adhesive strength
  133. Adhesive tape
  134. Adhesives
  135. Adiabatic conditions
  136. ADIS USE Advanced driver information systems
  137. Adjudication
  138. Adjustment (Psychology)
  139. Adjustment factors
  140. Administration
  141. Administrative and managerial personnel
  142. Administrative organization USE Administration
  143. Administrative personnel
  144. Administrative procedures
  145. Admiralty law USE Maritime law
  146. Admixtures
  147. Adolescents
  148. Adopt a highway programs USE Adopt-a-highway programs
  149. Adopt-a-highway programs
  150. ADSEL USE Mode S
  151. Adsorbents
  152. Adsorption
  153. Adults
  154. Advanced automation system (Air traffic control)
  155. Advanced driver assistance systems USE Driver support systems
  156. Advanced driver information systems
  157. Advanced driver information systems
  158. Advanced public transportation systems
  159. Advanced rural transportation systems
  160. Advanced technology USE Technological innovations
  161. Advanced traffic management systems
  162. Advanced traffic management systems
  163. Advanced train control systems USE Positive train control
  164. Advanced transport telematics USE Intelligent transportation systems
  165. Advanced traveler information systems
  166. Advanced traveler information systems
  167. Advanced vehicle control systems
  168. Advanced vehicle control systems
  169. Adverse conditions USE Weather conditions
  170. Advertising
  171. Advertising campaigns
  172. Advisory groups
  173. Advocacy groups
  174. AEI USE Automatic equipment identification
  175. Aeolotropic materials USE Anisotropic materials
  176. Aeolotropy USE Anisotropy (Physics)
  177. Aeration
  178. Aerial application
  179. Aerial photogrammetry
  180. Aerial photography
  181. Aerial reconnaissance
  182. Aerial spraying and dusting USE Aerial application
  183. Aerial surveying
  184. Aerial tramways
  185. Aerodromes USE Airports
  186. Aerodynamic drag USE Drag
  187. Aerodynamic features (Vehicle body components)
  188. Aerodynamic force
  189. Aerodynamic lift
  190. Aerodynamic lift
  191. Aerodynamic loads USE Aerodynamic force
  192. Aerodynamic noise
  193. Aerodynamic stability
  194. Aerodynamics
  195. Aeroelasticity
  196. Aerofoils USE Airfoils
  197. Aeronautical charts
  198. Aeronautical engineering
  199. Aeronautical facilities USE Air transportation facilities
  200. Aeronautical instruments USE Aircraft navigational aids