Transportation Research Thesaurus (TRT)

  1. Rockslides
  2. Rodents
  3. Rods
  4. Roll bars
  5. Roll on roll off shipping
  6. Roll on roll off ships
  7. Rolled asphalt
  8. Roller bearings
  9. Roller compacted concrete
  10. Roller compacted concrete pavements
  11. Rollers
  12. Rolling
  13. Rolling
  14. Rolling contact
  15. Rolling friction
  16. Rolling load tests USE Load tests
  17. Rolling resistance
  18. Rolling stock
  19. Rollover accidents
  20. ROM USE Read only memory
  21. Roofing USE Roofs
  22. Roofs
  23. Rooms
  24. Roots
  25. Rope
  26. Rope, wire and cable
  27. Rotary combustion engines USE Wankel engines
  28. Rotary drilling
  29. Rotary engines
  30. Rotary intersections USE Traffic circles
  31. Rotary wing aircraft
  32. Rotation
  33. Rotation moment USE Torque
  34. Rotational landslides
  35. Rotor blades
  36. Rotors
  37. Roughness
  38. Roughness coefficient
  39. Roughometers USE Road meters
  40. Roundabouts
  41. Rounded aggregates
  42. Route (Itinerary) USE Itinerary
  43. Route choice
  44. Route guidance
  45. Route selection USE Route choice
  46. Route signs
  47. Route surveying
  48. Routes
  49. Routes and routing
  50. Routing
  51. RTI USE Intelligent transportation systems
  52. Rubber
  53. Rubber coatings
  54. Rubber compounds
  55. Rubber tires USE Tires
  56. Rubberized asphalt USE Asphalt rubber
  57. Rubberized bitumen
  58. Rubble
  59. Rubble mound breakwaters
  60. Rubblization USE Comminution
  61. Rudders
  62. Rumble strips
  63. Run cutting
  64. Run through trains
  65. Running off roadway USE Ran off road accidents
  66. Running speed
  67. Running time
  68. Runoff
  69. Runway incursions
  70. Runway overruns
  71. Runways (Aeronautics) USE Airport runways
  72. Rupture surfaces
  73. Rupturing USE Rock fracture
  74. Rural areas
  75. Rural development
  76. Rural highways
  77. Rural roads USE Rural highways
  78. Rural transit
  79. Rural transportation
  80. Rural travel
  81. Rush hour USE Peak hour traffic
  82. Rust control USE Rust prevention
  83. Rust prevention
  84. Rusting
  85. Rustproofing USE Rust prevention
  86. Ruts (Pavements)
  87. Rutting
  88. RWIS USE Road weather information systems