Transportation Research Thesaurus (TRT)

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  2. P: 929 terms
  1. Pack ice
  2. Package and mail businesses
  3. Package and mail service
  4. Package service
  5. Packaging
  6. Packaging materials
  7. Packet switching
  8. Packet transmission USE Packet switching
  9. Packing USE Stuffing
  10. Paint
  11. Paint primers USE Primers (Materials)
  12. Paint removal
  13. Painting
  14. Palladium
  15. Pallets
  16. Panda crossings
  17. Panel studies
  18. Panels
  19. Pantographs
  20. Paper
  21. Paper forms USE Forms (Documents)
  22. Paper industry
  23. Paper products
  24. Parabolas
  25. Paraffin
  26. Parallel processing
  27. Parallel runways
  28. Paramedics
  29. Parametric analysis
  30. Parametric equations
  31. Parapets
  32. Paratransit services
  33. Paratransit vehicles
  34. Parent materials
  35. Parents
  36. Park and ride USE Fringe parking
  37. Parking
  38. Parking areas USE Parking facilities
  39. Parking brakes
  40. Parking capacity USE Parking
  41. Parking demand
  42. Parking duration
  43. Parking facilities
  44. Parking fees
  45. Parking garages
  46. Parking guidance systems
  47. Parking industry
  48. Parking lots
  49. Parking meters
  50. Parking payment systems USE Parking fees
  51. Parking places USE Parking facilities
  52. Parking regulations
  53. Parking turnover rate
  54. Parking violations
  55. Parks
  56. Parkways
  57. Part time employees
  58. Partial differential equations
  59. Participatory management
  60. Particle beams
  61. Particle board
  62. Particle size analysis USE Sieve analysis
  63. Particle sizes USE Grain size (Geology)
  64. Particles
  65. Particulates
  66. Partnerships
  67. Parts
  68. Parts of boilers
  69. Parts of canals and waterways
  70. Parts of control centers
  71. Parts of culverts
  72. Parts of dams
  73. Parts of plants
  74. Parts of roads
  75. Parts of seats
  76. Parts of traffic signals
  77. Parts of tunnels
  78. Passenger aircraft
  79. Passenger car equivalence
  80. Passenger cars
  81. Passenger comfort
  82. Passenger compartments
  83. Passenger conveyors USE People movers
  84. Passenger counting
  85. Passenger handling
  86. Passenger information USE Traveler information and communication systems
  87. Passenger information systems
  88. Passenger miles
  89. Passenger screening
  90. Passenger security
  91. Passenger service
  92. Passenger service quality USE Quality of service
  93. Passenger ships
  94. Passenger terminals
  95. Passenger traffic
  96. Passenger traffic measurement
  97. Passenger trains
  98. Passenger transportation
  99. Passenger transportation support businesses
  100. Passenger vehicles
  101. Passenger volume
  102. Passengers
  103. Passes (Mountains)
  104. Passes (Transportation)
  105. Passing
  106. Passing aid systems
  107. Passing lanes
  108. Passing sight distance
  109. Passing zones
  110. Passive restraint systems
  111. Past
  112. Pastes
  113. Patching
  114. Patching mortar
  115. Patent applications
  116. Patents
  117. Path planning (Robotics) USE Trajectory control
  118. Pathological data
  119. Pathological processes
  120. Pathology
  121. Pathology
  122. Paths USE Walkways
  123. Patients
  124. Patrol boats
  125. Patronage (Transit ridership) USE Ridership
  126. Pattern recognition systems
  127. Paved shoulders
  128. Pavement (Sidewalks) USE Sidewalks
  129. Pavement bases USE Base course (Pavements)
  130. Pavement components
  131. Pavement construction USE Paving
  132. Pavement cracking
  133. Pavement design
  134. Pavement distress
  135. Pavement grooving
  136. Pavement joints
  137. Pavement layers
  138. Pavement maintenance
  139. Pavement management USE Pavement management systems
  140. Pavement management systems
  141. Pavement markings USE Road markings
  142. Pavement noise USE Tire/pavement noise
  143. Pavement performance
  144. Pavement subgrades USE Subgrade (Pavements)
  145. Pavement widening
  146. Pavements
  147. Pavers
  148. Paving
  149. Paving machines USE Pavers
  150. Paving materials
  151. Paving stones
  152. Pay
  153. Pay parking
  154. Payment
  155. PCC (Concrete) USE Portland cement concrete
  156. Peak discharge
  157. Peak fares
  158. Peak hour traffic
  159. Peak periods
  160. Peak rates USE Peak fares
  161. Peak value (Electricity)
  162. Peat
  163. Peat soils
  164. Pedals
  165. Pedestrian accidents
  166. Pedestrian actuated controllers
  167. Pedestrian areas
  168. Pedestrian bridges USE Footbridges
  169. Pedestrian clearance interval (Traffic signals)
  170. Pedestrian control signals USE Pedestrian actuated controllers
  171. Pedestrian counts
  172. Pedestrian crossings USE Crosswalks
  173. Pedestrian density
  174. Pedestrian detectors
  175. Pedestrian education
  176. Pedestrian facilities USE Pedestrian areas
  177. Pedestrian flow
  178. Pedestrian malls
  179. Pedestrian movement
  180. Pedestrian phase
  181. Pedestrian precinct USE Pedestrian areas
  182. Pedestrian safety
  183. Pedestrian signs
  184. Pedestrian streets USE Pedestrian malls
  185. Pedestrian traffic
  186. Pedestrian trafficways USE Pedestrian areas
  187. Pedestrian tunnels
  188. Pedestrian vehicle interface
  189. Pedestrian walkways USE Walkways
  190. Pedestrians
  191. Pedology USE Soil science
  192. Peening
  193. Peer groups
  194. Pelleted catalysts
  195. Pelletized slag
  196. Pellets
  197. Pelvis
  198. Penalties
  199. Pendulum tests
  200. Penetrants