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- S-BahnType of commuter rail system in Europe
- SaddleSupportive structure for a rider or load
- Safety bicycle1880s pedal-driven vehicle
- Safety of cycling infrastructureOverview of bicycle safety concerns
- Safran Landing SystemsSafran Landing Systems, formerly Messier-Bugatti-Dowty, is the world's largest manufacture
- SailFabric or other surface supported by a mast to allow wind propulsion
- SailboatBoat propelled partly or entirely by sails
- SailingPropulsion of a vehicle by wind power
- Sailing hydrofoilSailboat with wing-like foils mounted under the hull
- Sailing shipLarge wind-powered water vessel
- SailorPerson who navigates water-borne vessels or assists in doing so
- Sailors' Union of the PacificThe Sailors' Union of the Pacific (SUP), founded on March 6, 1885 in San Francisco, Califo
- Saint Petersburg MetroRapid transit system in Russia
- Salmon canneryA salmon cannery is a factory that commercially cans salmon. It is a fish-processing indus
- Samariterstraße (Berlin U-Bahn)Samariterstraße is a Berlin U-Bahn station located on the U5. It is located underneath Fra
- San Alberto Hurtado metro stationSan Alberto Hurtado, formerly known as Pila del Ganso, is a station on the Santiago Metro
- San Francisco cable car systemHistoric cable car system in San Francisco, California
- San Francisco congestion pricingProposed fee for congested areas
- San Francisco County Transportation AuthorityThe San Francisco County Transportation Authority (SFCTA) is a state chartered sub-regiona
- San Leonardo (Milan Metro)San Leonardo is a station on Line 1 of the Milan Metro in Milan, Italy. The station was op
- San Marino HighwaySan Marino Highway is a road from the castelli of Borgo Maggiore, to Domagnano, through to
- San Pablo metro stationSan Pablo is a rapid transit complex in the Santiago Metro, located in Lo Prado. Lines 1 a
- San Siro Ippodromo (Milan Metro)San Siro Ippodromo is a station on Line 5 of the Milan Metro.
- San Siro Stadio (Milan Metro)San Siro Stadio is the western terminus station of Line 5 of the Milan Metro.
- Sanggan RiverThe Sanggan River or Sanggan He (Chinese: 桑干河), also known in English as Sangkan River, is
- Sant'Agnese - Annibaliano (Rome Metro)Sant'Agnese - Annibaliano is an underground station on Line B of the Rome Metro. It opened
- Santa Ana metro stationSanta Ana is a transfer station between Line 2 and Line 5 of the Santiago Metro. It was in
- Santa Fe Urban TrainThe Santa Fe Urban Train (in Spanish: "Tren Urbano de Santa Fe") was a 3.7 km (2.3 mi) com
- Santa Lucía metro station (Santiago)Santa Lucia (in Spanish: Saint Lucy), is a station on the Santiago Metro in Santiago, Chil
- Santa Maria del Soccorso (Rome Metro)Santa Maria del Soccorso is a surface station of Line B on the Rome Metro, named after the
- Santa Marina (São Paulo Metro)Santa Marina will be one of the future stations of São Paulo Metro and will belong to Line
- Santiago MetroRapid transit system in Santiago, Chile
- Santiago Metro Line 1Santiago Metro Line 1 is the oldest of the seven existing rapid transit lines that make up
- Santiago Metro Line 3Line 3 is a rapid transit line of the Santiago Metro. Traveling from La Reina in the east
- Santiago Metro Line 4ASantiago Metro Line 4A is one of the seven lines that currently make up the Santiago Metro
- Santiago Metro Line 5Santiago Metro Line 5 is one of the seven lines that currently make up the Santiago Metro
- São Judas (São Paulo Metro)São Judas is a station on Line 1 (Blue) of the São Paulo Metro. It will be integrated with
- São Lucas (São Paulo Metro)São Lucas is a monorail station of the São Paulo Metro. Belongs to Line 15–Silver, which i
- São Paulo MetroRapid transit system in São Paulo, Brazil
- Sapporo Municipal SubwayRubber-tired rail system in Japan
- SapsanRussian gauge high speed electric express train
- Sarajevo–Ploče railwayRailway line in Bosnia and Herzegovina and Croatia
- Scandinavian–Mediterranean CorridorEuropean transportation corridor
- Scenic routeSpecially designated road or waterway of interest
- Scharnweberstraße (Berlin U-Bahn)Scharnweberstraße is a Berlin U-Bahn station located on the U6. It was constructed by B. G
- Schengen AgreementEuropean Union treaty on internal border controls
- Schlesisches Tor (Berlin U-Bahn)Schlesisches Tor is a Berlin U-Bahn station on lines U1 and U3. Many Berliners use the aff
- Schloßstraße (Berlin U-Bahn)Schloßstraße is a Berlin U-Bahn station located on the U9.
- Schönleinstraße (Berlin U-Bahn)Schönleinstraße is a Berlin U-Bahn station located on the U8. Opened in 1928 and designed
- School busBus operated by a school district for student transport
- SchoonerSailing vessel
- Schuylkill CanalFormer canal in Pennsylvania, United States
- Schwartzkopffstraße (Berlin U-Bahn)Schwartzkopffstraße is a Berlin U-Bahn station located on the U6 line.
- Scooter (motorcycle)Class of motorcycle
- Scooter-sharing systemService for short-term scooter rentals
- ScramjetJet engine where combustion takes place in supersonic airflow
- Sea anchorDrag device used to stabilize a boat in heavy weather and reduce drift
- Sea captainCommander of a ship or other sea-going vessel
- Sea laneRegularly used navigable route through a large body of water
- Seaforth DockSeaforth Dock (also known as the Royal Seaforth Dock) is a purpose-built dock and containe
- Seaman status in United States admiralty lawLegal status of sailors in the USA
- SeaplaneAircraft with an undercarriage capable of operating from water surfaces
- SearchlightIntense focused beam lamp for improving visual detection
- Seat beltVehicle safety device to protect against injury during collisions and sudden stop
- Seat belt use rates in the United StatesSeat belt use rates in the United States have been rising steadily since 1983, from 14% to
- Seating capacityNumber of people who can be seated in a specific space
- Seaworthiness (law)Assurance that a vessel can make a voyage
- Sedan (automobile)Passenger car in a three-box configuration
- Seestraße (Berlin U-Bahn)Seestraße is a station in the Wedding district of Berlin which serves the U6 and is operat
- Segesta (Milan Metro)Segesta is a station on Line 5 of the Milan Metro.
- Self-balancing scooterBattery-powered electric vehicle
- Self-driving carVehicle operated with reduced or no human input on public roads
- Semi-trailer truckCombination of a tractor unit and one or more semi-trailers to carry freight
- Semiha YıldırımSemiha Yıldırım (born 1954) is a Turkish retired teacher. She is the wife of former Turkis
- Senefelderplatz (Berlin U-Bahn)Senefelderplatz is a Berlin U-Bahn station located on the U2 line.
- Seoul Metro 2000 series (2005)The second-generation Seoul Metro 2000-series is a South Korean electrical multiple unit t
- Seoul Metropolitan SubwayRailway system in South Korea
- SEPTAPublic transit agency in the eastern US
- Service (motor vehicle)Periodic maintenance of motor vehicles
- Servo tabA servo tab is a small hinged device installed on an aircraft control surface to assist th
- SESC-Pompeia (São Paulo Metro)SESC-Pompeia will be one of the future stations of São Paulo Metro and will belong to Line
- Sesto Marelli (Milan Metro)Sesto Marelli is a station on Line 1 of the Milan Metro. The station was opened on 1 Novem
- Sesto Rondò (Milan Metro)Sesto Rondò is a station on Line 1 of the Milan Metro. The station was opened on 28 Septem
- Shanghai maglev trainRailway line in Shanghai using magnetic levitation train
- Shanghai MetroMetro system in Shanghai, China
- Shanghai Pudong International AirportMain airport serving Shanghai, China
- Share taxiMode of transport which falls between both taxicabs and buses
- Shared transportDemand-driven and vehicle-sharing arrangement
- Shared-use pathPathway for pedestrians and cyclists
- Sheet (sailing)In sailing, a sheet is a line (rope, cable or chain) used to control the movable corner(s)
- Shenzhen MetroRapid transit system in China
- Shifter (bicycle part)Bicycle component
- ShinkansenJapanese high-speed rail system
- ShipLarge watercraft
- Ship breakingDisposal process for scrap
- Ship collisionWhen a ship crash into something such as another ship
- Ship disposalA number of different methods exist for disposing of a ship after it has reached the end o
- Ship managementManagement team for ships
- Ship mortgageType of mortgage
- Ship registrationProcess by which a ship is documented
- Ship stabilityShip stability is an area of naval architecture and ship design that deals with how a ship
- ShipbrokingFinancial service, which forms part of the global shipping industry
- ShipbuildingConstruction of ships and floating vessels
- Shipping agencyAgent responsible for handling cargo
- Shipping insuranceShipping insurance is a service which may reimburse senders whose parcels are lost, stolen
- Shipping lineBusiness that transports cargo aboard ships
- ShipwreckPhysical remains of a beached or sunk ship
- ShiziyangShiziyang (Chinese: 狮子洋) or Shizi Channel is the upper channel of the Pearl River estuary.
- Shopping cartCart that is used at stores to hold items
- Shuttle busMode of transport
- SidewalkPedestrian path along the side of a road
- Siemens MobilityRailway rolling stock manufacturer
- Siemensdamm (Berlin U-Bahn)Siemensdamm is a station on the Berlin U-Bahn line U7, located in the Spandau district. It
- SignEntity whose presence indicates the probable existence of something else
- SignageDesign or use of signs and symbols to communicate a message
- Single-speed bicycleA single-speed bicycle is a type of bicycle with a single gear ratio. These bicycles are w
- Single-track railwayRailway where trains traveling in both directions share the same track
- Sinking of MV Sinar Bangun2018 disaster in Indonesia
- SkegA skeg (or skegg or skag) is a sternward extension of the keel of boats and ships which ha
- Ski liftTransport device that carries skiers up a hill
- SkimpotSkimpot is a suburb of Luton, in Bedfordshire, England. The area is roughly bounded by Dun
- Sky lanternSmall hot air balloon made to be released into the air
- SkySailsWind energy manufacturer
- SkyTrain (Vancouver)Rapid transit system in British Columbia
- SL C30The SL C30 is a type of subway train used in the Stockholm metro, Sweden. The first set of
- Slingsby CapstanThe Slingsby T.49 Capstan is a British two-seat glider of the 1960s built by Slingsby Sail
- SloopSail boat with a single mast and a fore-and-aft rig
- Snow removalJob of removing snow
- SnowmobileLand vehicle designed for travel on snow
- Snowmobile skippingSnowmobile skipping, snowmobile watercross, snowmobile skimming, water skipping or puddle
- Societal effects of carsOverview of the effects of cars on various societies
- Sokol (train)Sokol (Сокол, Russian for "falcon") was a planned high-speed train in Russia. It was to be
- SOLAS ConventionInternational treaty for maritime safety
- Solna strand metro stationSolna strand (known as Vreten until 18 August 2014) is a subway station on the Stockholm m
- Sondrio (Milan Metro)Sondrio is a station on Line 3 of the Milan Metro which opened on 12 May 1991, more than a
- Sophie-Charlotte-Platz (Berlin U-Bahn)Sophie-Charlotte-Platz is a Berlin U-Bahn station on line U2.
- SOSInternational Morse code distress signal for help
- Soukka metro stationSoukka (Finnish) or Sökö (Swedish) is an underground station on the western metro extensio
- South Carolina Department of TransportationState government agency in the United States
- South Dakota Department of TransportationDepartment of the state government of South Dakota, United States
- South Granville stationSouth Granville is a planned underground station for the Millennium Line of Metro Vancouve
- South Shore (Long Island)The South Shore of Long Island, in the U.S. state of New York, is the area along Long Isla
- Soviet Air ForcesAerial warfare branch of the Soviet Union's armed forces
- Spagna (Rome Metro)Spagna is an underground station on Line A of the Rome Metro, in the rione Campo Marzio, w
- Speed limitMaximum legal speed of vehicles
- Speed limits by countryA speed limit is the limit of speed allowed by law for road vehicles, usually the maximum
- Speed limits in the United StatesIn the United States, speed limits are set by each state or territory. States have also al
- Speed limits in the United States by jurisdictionSpeed limits in the United States vary depending on jurisdiction. Rural freeway speed limi
- Sperling–Burnaby Lake stationSperling–Burnaby Lake is an elevated station on the Millennium Line of Metro Vancouver's S
- SpiceJetIndian low-cost airline
- Spielfeld-Straß railway stationSpielfeld-Straß station is a border station on the Southern Railway and the line to Triest
- Spillover (economics)Economic effect
- Spittelau stationSpittelau is a station on U4 and U6 of the Vienna U-Bahn. It combines with Wien Spittelau
- Spittelmarkt (Berlin U-Bahn)Spittelmarkt is a Berlin U-Bahn station on line U2, located in Mitte at the eastern end of
- Spoiler (aeronautics)Device for reducing lift and increasing drag on aircraft wings
- Sport bikeMotorcycles designed for performance
- Sports carPerformance-oriented car class
- Spray deckA spraydeck (sprayskirt in N. America, akuilisaq or tuiitsoq in Greenland) is a flexible w
- SprocketToothed wheel or cog
- Squad SolarThe Squad Solar is a neighborhood electric vehicle or microcar that has a solar panel on t
- Square rigGeneric type of sail and rigging arrangement
- SS GrampianBritish ocean liner, in service 1907–1921
- SS Timothy BloodworthWorld War II Liberty ship of the United States
- St James' Church, PooleSt James is a Church of England parish church in Poole on the south coast of England, in t
- St. Malo & Binic Steam Ship CompanyThe St. Malo & Binic Steamship Company operated shipping services to and from the Channel
- Stabilizer (aeronautics)Aircraft component
- Stack interchangeType of freeway interchange
- Stadtmitte (Berlin U-Bahn)Stadtmitte (City Centre) is a Berlin U-Bahn station on lines U2 and U6, located in the Mit
- StagecoachHorse-drawn public transport coach
- Standing passengerPassengers who remain standing during public transport
- Star of BengalThe Star of Bengal was an iron three-masted 1,877 GRT merchant sailing vessel built in Bel
- State highwayState-maintained and numbered road
- Staten Island Ferry Whitehall TerminalFerry terminal in Manhattan, New York
- Station wagonAuto body style with its roof extended rearward
- Steam busA steam bus is a bus powered by a steam engine. Early steam-powered vehicles designed for
- Steam locomotiveRailway locomotive powered by a steam engine
- Steam-powered aircraftAircraft propelled by a steam engine
- Steam-powered vesselSteam-powered vessels include steamboats and steamships. Smaller steamboats were developed
- SteamboatBoat, smaller than a steamship, using steam
- SteamrollerSteam powered road roller
- SteamshipType of steam-powered vessel
- SteeringControl of the direction of motion of vehicles and other objects
- Steering wheelType of steering control in land vehicles
- Stena LineSwedish ferry operator
- SternBack or aft-most part of a ship or boat
- StiltsPoles used for circus performance, pastime, or work
- StirrupLight frame or ring that holds the foot of a rider
- Stirrup strapA stirrup strap or stirrup leather is a piece of leather or other material, that, attached
- Stock car (rail)In railroad terminology, a stock car or cattle car is a type of rolling stock used for car
- Stockholm MetroRapid transit system in Stockholm, Sweden
- STOLClass of airplanes designed to take off and land in a short distance
- Stop signTraffic sign instructing drivers to stop
- Stopping sight distanceType of sight distance in road design
- STOVLA short take-off and vertical landing aircraft (STOVL aircraft) is a fixed-wing aircraft t
- Stowage plan for container shipsMethods of organizing and loading containers
- Strausberger Platz (Berlin U-Bahn)Strausberger Platz is a Berlin U-Bahn station located on the U5 line.
- Streets in GibraltarStreets in the British Overseas Territory of Gibraltar are represented by road signs as in
- StrollerWheeled device for transporting infants
- Stubentor stationStubentor is a station on U3 of the Vienna U-Bahn. It was inaugurated in 1991 and is locat
- Student transportTransport for children to and from schools and events
- SubgradeIn transport engineering, subgrade is the native material underneath a constructed road, p
- SubmersibleSmall watercraft able to navigate under water
- Südstern (Berlin U-Bahn)Südstern is a circus of Kreuzberg district, Berlin, as well as a Berlin U-Bahn station of
- Sundby stationSundby station is a rapid transit station on the Copenhagen Metro. It is served by the M1
- SupercarLuxury, high-performance sports car or grand tourer
- Supercritical airfoilA supercritical aerofoil (supercritical airfoil in American English) is an airfoil designe
- Supersonic aircraftAircraft that travels faster than the speed of sound
- Supersonic transportAirliner faster than the speed of sound
- Supply chain managementManagement of the flow of goods and services
- Suspension railwayOverhead monorail
- Susquehanna and Tioga Turnpike19th-century turnpike in Pennsylvania
- Sustainable distributionSustainable distribution refers to any means of transportation / hauling of goods between
- Sustainable urbanismStudy of cities and the practices to build them
- Sutherland DockHistoric site in New South Wales, Australia
- SUVType of automobile
- Sverdlovsk OblastFirst-level administrative division of Russia
- Swept wingPlane wing that angles backwards or forwards
- Sydney Coal RailwayThe Sydney Coal Railway (reporting mark SCR) is a Canadian short-line railway operating in
- Szczecińskie Przedsiębiorstwo Autobusowe "Dąbie"Szczecińskie Przedsiębiorstwo Autobusowe "Dąbie" (SPAD or SPA Dąbie) is one of four munici
- Széchenyi fürdő metro stationSzéchenyi fürdő is a station of the yellow M1 (Millennium Underground) line of the Budapes
- Széll Kálmán tér metro stationSzéll Kálmán tér (Széll Kálmán Square) is a station on the M2 (East-West) line of the Buda