- traffic forecasting
- traffic inflow
- traffic information
- traffic intersection
- traffic island
- traffic jam
- traffic lane
- traffic lights
- traffic load
- traffic network
- traffic parameter
- traffic planning
- traffic police
- traffic region
- traffic regulation
- traffic regulations
- traffic rotary
- traffic roundabout
- traffic schedule
- traffic simulator
- traffic situation
- traffic survey
- Traffic Unit
- traffic violation
- trailer bogie
- trailing edge
- trailing load
- train crew
- train describer
- train engineer
- train load
- train order
- train path
- train rake
- train schedule
- train conductor
- train dispatcher
- train driver
- train protection
- train set
- train spacing
- training flight
- training ship
- tram schedule
- tram stop
- tram tracks
- tranfer table
- tranferable cheque
- trans-shipment
- transatlantic liner
- transcontainer
- transfer abroad
- transfer impedance
- transfer track
- transition point
- transmission line
- transport
- transport distribution
- transport network
- transportation problem
- transpose rail
- transship
- transship facilities
- transshipment track
- transtainer crane
- transverse beam
- transverse fissure
- transverse framing
- transverse metacentre
- transverse seat
- transverse stability
- transit passenger
- transition segment
- transmission speed
- transom
- transom plate
- transonic aircraft
- transport theory
- transtainer
- transverse
- transverse metacenter
- transverse section
- trawl
- treadle
- triboelectric detector
- trip purpose
- tripping line
- truck center
- trucking network
- true course
- true north
- true wind
- transit
- transom stern
- transportation need
- transverse bulkhead
- transverse member
- trawler
- tread
- trysail