Transportation Research Thesaurus (TRT)

  1. Home
  2. L: 456 terms
  1. L band
  2. L/V ratio
  3. Labeling
  4. Labor
  5. Labor agreements
  6. Labor costs
  7. Labor estimates USE Labor market
  8. Labor force
  9. Labor law
  10. Labor market
  11. Labor negotiations
  12. Labor productivity
  13. Labor relations
  14. Labor unions
  15. Laboratories
  16. Laboratory animals
  17. Laboratory studies
  18. Laboratory tests
  19. Laborers
  20. Laceration
  21. Lacustrine deposits
  22. Lacustrine soils
  23. Ladar USE Laser radar
  24. Lagging (Earthwork)
  25. Lagoons
  26. Lagrangian functions
  27. Lake asphalt USE Trinidad asphalt
  28. Lake ice
  29. Lakes
  30. Lamellar tearing USE Tearing
  31. Laminar boundary layer flow USE Laminar flow
  32. Laminar flow
  33. Laminated glass USE Nonshattering glass
  34. Laminated materials USE Laminates
  35. Laminated metals USE Bimetals
  36. Laminated plastics
  37. Laminated wood
  38. Laminates
  39. Lamps
  40. Land
  41. Land acquisition USE Property acquisition
  42. Land areas
  43. Land bridge
  44. Land mines USE Mines (Weapons)
  45. Land reclamation
  46. Land subdivision
  47. Land transportation USE Ground transportation
  48. Land use
  49. Land use models
  50. Land use planning
  51. Land values
  52. Land vehicles USE Ground vehicles
  53. Land water marginal areas
  54. Landfills
  55. Landing
  56. Landing aids
  57. Landing craft
  58. Landing fees
  59. Landing fields
  60. Landing gear
  61. Landing mats
  62. Landing strips USE Airstrips
  63. Landlords
  64. Landowners
  65. Landsat satellites
  66. Landscape architecture
  67. Landscape design
  68. Landscape maintenance
  69. Landscaping
  70. Landside capacity
  71. Landside operations (Airports)
  72. Landside operations (Ports)
  73. Landslides
  74. Lane changing
  75. Lane closure
  76. Lane distribution
  77. Lane drops
  78. Lane lines
  79. Lane markings USE Lane lines
  80. Lane occupancy
  81. Lane usage USE Lane distribution
  82. Lane use control signals
  83. Language
  84. Lanterns
  85. Lap joints
  86. Laplace transforms
  87. Laptop computers
  88. Large automobiles
  89. Large cities
  90. Larvae
  91. Laser beams
  92. Laser beams
  93. Laser doppler velocimeters
  94. Laser materials
  95. Laser radar
  96. Laser velocimeters
  97. Lasers
  98. LASH barges
  99. LASH terminals
  100. Lashing
  101. Latent heat
  102. Lateral acceleration
  103. Lateral control USE Automatic steering control
  104. Lateral guidance USE Automatic steering control
  105. Lateral placement
  106. Lateral supports
  107. Laterals (Irrigation)
  108. Laterites
  109. Lateritic gravels
  110. Lateritic soils
  111. Latex
  112. Latex asphalt
  113. Latex modified concrete
  114. Lathes
  115. Lattices
  116. Lattices (Mathematics)
  117. Launch vehicles
  118. Launching
  119. Lavatories USE Toilet facilities
  120. Law
  121. Law enforcement
  122. Law enforcement and criminal justice personnel
  123. Law enforcement personnel
  124. Law jurisprudence USE Jurisprudence and judicial processes
  125. Law of the sea USE Maritime law
  126. Law uniformity
  127. Laws
  128. Laws and legislation
  129. Laws of physics
  130. Lay bys USE Bus bays
  131. Layer coefficient (Pavements)
  132. Layered soils
  133. Laying (Pipe) USE Pipe laying
  134. Laying (Track) USE Track laying
  135. Layoffs
  136. Layout
  137. Layover time
  138. LCDs USE Liquid crystal displays
  139. Leachate
  140. Leaching
  141. Lead (Metal)
  142. Lead acid batteries
  143. Lead based paint
  144. Lead compounds
  145. Lead free gasoline USE Unleaded gasoline
  146. Lead time
  147. Leaded gasoline
  148. Leadership
  149. Leading edges
  150. Leaf springs
  151. Leak tests
  152. Leakage
  153. Lean concrete
  154. Lean fuel mixtures
  155. Learning
  156. Learning (Artificial intelligence)
  157. Leasing
  158. Least overall cost
  159. Least squares method
  160. Leather
  161. Lectures
  162. LEDs USE Light emitting diodes
  163. Left turn lanes
  164. Left turn on red
  165. Left turn phase
  166. Left turns
  167. Leg
  168. Legacy airlines USE Full service carriers
  169. Legal action
  170. Legal aspects USE Legal factors
  171. Legal constraints
  172. Legal documents
  173. Legal drinking age
  174. Legal factors
  175. Legal responsibility
  176. Legal rights
  177. Legibility
  178. Legislation
  179. Legislative support USE Legislation
  180. Legumes
  181. Leisure time
  182. Length
  183. Lenses (Geology)
  184. Lenses (Optics)
  185. Less developed countries USE Developing countries
  186. Less than carload traffic
  187. Less than truckload traffic
  188. Lettering
  189. Letters (Correspondence) USE Correspondence
  190. Levees
  191. Level crossings USE Railroad grade crossings
  192. Level of service
  193. Leveling
  194. Levels of government
  195. Leveraged buyouts
  196. Liabilities
  197. Liability
  198. Liability insurance
  199. Libraries
  200. Library operations