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- Dadu River (Taiwan)24°10′11.5″N 120°31′05.7″E / 24.169861°N 120.518250°E
- Dahlem-Dorf (Berlin U-Bahn)Dahlem-Dorf is a Berlin U-Bahn station located on the U3. It serves the neighborhood of Da
- Dala dalaMinibus share taxis in Tanzania
- Damen station (CTA Green Line)Damen is a rapid transit station on the Chicago "L"'s Green Line that opened on August 5,
- DavitA davit () is any of various crane-like devices used on a ship for supporting, raising, an
- De Angeli (Milan Metro)De Angeli is a station on Line 1 of the Milan Metro in Milan, Italy. The underground stati
- De Havilland Canada Dash 8Canadian turboprop airliner
- De Havilland CometFirst commercial jet airliner, four-engined
- Deck departmentThe deck department is an organisational team on board naval and merchant ships. Seafarers
- DeicingProcess of removing ice, snow, or frost from a surface
- Delaware Department of TransportationGovernment agency in the U.S. state of Delaware
- DelfshavenDelfshaven (Dutch pronunciation: ) is a borough of Rotterdam, Netherlands, on the right ba
- Delhi MetroRapid transit system in India serving Delhi NCR
- Déli pályaudvar metro stationDéli pályaudvar (Southern railway station) is the western terminus of the M2 (East-West) l
- Delivery (commerce)Process of transporting goods from a source location to a predefined destination
- Delivery droneUnmanned aerial vehicle (UAV) used to transport packages, food or other goods
- Delta (letter)Fourth letter in the Greek alphabet
- Delta wingTriangle shaped aircraft wing configuration
- Deluge gunA deluge gun, fire monitor, master stream or deck gun is an aimable controllable high-capa
- Demand-responsive transportShared transport services based only on demand without fixed routes or timetables
- DemurrageFees in logistics
- Department of transportationType of government agency responsible for transportation
- DerailA derail or derailer is a device used to prevent fouling (blocking or compromising) of a r
- DerailleurVariable-ratio transmission system commonly used on bicycles
- Dergano (Milan Metro)Dergano is a station on Line 3 of the Milan Metro which opened on March 26, 2011, twenty-o
- DerrickLifting device
- Design Manual for Roads and BridgesThe Design Manual for Roads and Bridges (DMRB) is a series of 15 volumes that provide stan
- Design speedThe design speed is a tool used to determine geometric features of a new road or street du
- Design–bid–buildProject delivery method
- Design–buildConstruction project delivery system
- Destination signSign mounted on the front, side or rear of a public transport vehicle
- Deutsche Forschungsanstalt für SegelflugThe Deutsche Forschungsanstalt für Segelflug (German for 'German Research Institute for Sa
- Deutsche Oper (Berlin U-Bahn)Deutsche Oper is a station of the Berlin U-Bahn on line U2, located in the Charlottenburg
- Dewitt C. Greer State Highway BuildingThe Dewitt C. Greer State Highway Building is an eight-story structure in downtown Austin,
- DhowType of sailing vessel from the Indian Ocean
- Diesel locomotiveLocomotive powered by a diesel engine
- DiffaDiffa is a city and Urban Commune in the extreme southeast of Niger, near the border with
- Dijkzigt metro stationDijkzigt is an underground subway station in the city of Rotterdam, and is served by Rotte
- DinghyType of small boat
- Dinghy YoungSquadron Leader Henry Melvin "Dinghy" Young, DFC & Bar (20 May 1915 – 17 May 1943) was a b
- Direct-drive mechanismA direct-drive mechanism is a mechanism design where the force or torque from a prime move
- Dirt roadUnpaved road made from the land's native material
- Dishui Lake stationDishui Lake (Chinese: 滴水湖; pinyin: Dīshuǐ Hú) is the southern terminal station on Line 16
- Distracted drivingDriving while engaging in other activities
- District Department of TransportationWashington, D.C. local agency
- Diving bellChamber for transporting divers vertically through the water
- Dog sledSled pulled by one or more sled dogs
- DogcartA dogcart (also dog-cart or dog cart) is a two-wheeled horse-drawn vehicle pulled by a sin
- Domodossola (Milan Metro)Domodossola FN is a station on Line 5 of the Milan Metro which opened on 29 April 2015.
- Dongsheng DistrictDongsheng District (Mongolian: ᠳ᠋ᠦᠩᠱᠧᠩ ᠲᠣᠭᠣᠷᠢᠭ; Chinese: 东胜区; alternate spelling English:
- DöseDöse (Low German: Döös) the northernmost town in Lower Saxony, Germany at the point where
- Double-deck aircraftA double-deck aircraft has two decks for passengers; the second deck may be only a partial
- Double-decker busBus with two levels or decks
- Double-track railwayRailway route with two lines
- Douglas DC-3Airliner and military transport aircraft family
- Douglas Road stationDouglas Road station is a station on the Metrorail rapid transit system just southwest of
- DP World Berbera New PortPort in Republic of Somaliland
- DR Byen stationDR Byen station is a rapid transit station on the Copenhagen Metro. It is served by the M1
- Drafting (dog)Dog bred for a specific type of work
- Drava Valley RailwayThe Drava Valley Railway (German: Drautalbahn) is an east–west railway running along the D
- DrayageTransport of goods over a short distance
- Drift iceDrift ice, also called brash ice, is sea ice that is not attached to the shoreline or any
- Drive shaftMechanical component for transmitting torque and rotation
- DriveNowOne-way carsharing service in Europe
- Driver and Vehicle Standards AgencyUK Department for Transport Agency
- Driver's licenseDocument allowing one to drive a motorized vehicle
- DrivingOperation of a vehicle
- Driving in the United StatesIn the United States, 86 percent of people use private automobiles as their primary form o
- Droop nose (aeronautics)The droop nose is a feature fitted to a small number of aircraft types so the nose of the
- Drowsy drivingOperating a motor vehicle while cognitively impaired by lack of sleep
- Dubai International AirportMajor international airport in Dubai, United Arab Emirates
- Dubai MetroRapid transit system in Dubai
- Due Leoni-Fontana Candida (Rome Metro)Due Leoni-Fontana Candida is a station of Line C of the Rome Metro. It is located along th
- Duffy SquareDuffy Square, officially named Father Duffy Square in 1939, is the northern triangle of Ti
- Dump truckTruck which can tip its bed, dumping its contents
- Dune buggyOff-road vehicle
- Duomo (Milan Metro)Duomo is an interchange station serving Lines 1 and 3 of the Milan Metro.
- Duqm PortSeaport in central-eastern Oman