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Government Documents: Transportation

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U.S. Department of Transportation LogoDepartment of Transportation: Mission of the DOT is to ensure our Nation has the safest, most efficient and modern transportation system in the world, which improves the quality of life for all American people and communities, from rural to urban, and increases the productivity and competitiveness of American workers and businesses.

Agencies: Bureau of Transportation StatisticsFederal Aviation AdministrationFederal Highway AdministrationFederal Motor Carrier Safety AdministrationFederal Railroad AdministrationFederal Transit AdministrationMaritime AdministrationNational Highway Traffic Safety AdministrationOffice of Inspector General ♦ Pipeline & Hazardous Materials Safety AdministrationSaint Lawrence Seaway Development Corporation

Priorities: SafetyInnovationInfrastructure

Explore DOT: GrantsNew & Emerging Technologies ♦ Automobiles ♦ Aviation ♦ Maritime & Waterways ♦ Pipelines & Hazardous MaterialsPublic Transit ♦ Railroads ♦ Roadways & Bridges ♦ Trucking & Motorcoaches ♦ Data & Statistics


Bureau of Transportation Statistics: BTS is the source of statistics on commercial aviation, multimodal freight activity, and transportation economics, and provides context to decision makers and the public for understanding statistics on transportation. The Bureau’s National Transportation Library (NTL) is the permanent, publicly accessible home for research publications from throughout the transportation community; the gateway to all DOT data; and the help line for the Congress, researchers, and the public for information about transportation.

Topics: Airlines & AirportsEnergy & EnvironmentFreight TransportationInfrastructurePassenger TravelSafetySystem PerformanceTransportation & the Economy

Geography: Geospatial PortalMaps & Apps GalleryInternationalNationalBy StateBy County

Modes: AviationHighwayRailMaritime & Inland WaterwaysPipelinesTransitBicycles & Pedestrian

Statistical Products & Data: Information GalleryA-Z IndexAirline Information for DownloadBorder Crossing DataCommodity Flow SurveyConfidential Close Calls ReportingCounty Transportation ProfilesCOVID-19 Transportation StatisticsData InventoryData SpotlightsFreight Analysis FrameworkFreight Facts & FiguresGIS ApplicationsGovernment Transportation Financial StatisticsIntermodal Transportation DatabaseLocal Area Transportation Characteristics (LATCH Dataset)Monthly Transportation StatisticsNational Census of Ferry OperatorsNational Transportation StatisticsNational Transportation Atlas DatabaseNational Transportation Data ArchivesPassenger Travel Facts & FiguresPocket Guide AppPort Performance Freight StatisticsSafeOCSState Transportation StatisticsTank Car DataTransBorder Freight DataTransportation Economic TrendsTransportation Services IndexTransportation Statistics Annual ReportsVehicle Inventory & Use Survey (VIUS)

National Transportation Library: Digital Repository (ROSA-P)NTL HomeBTS ProductsPublic Access

Newsroom: News/Statistical ReleasesCalendarRelease Schedule


Federal Aviation Administration LogoFederal Aviation Administration: FAA oversees the safety of civil aviation. The safety mission is first and foremost and includes the issuance and enforcement of regulations and standards related to the manufacture, operation, certification and maintenance of aircraft. Responsible for the rating and certification of airmen and for certification of airports serving air carriers. Regulates a program to protect the security of civil aviation, and enforces regulations under the Hazardous Materials Transportation Act for shipments by air. FAA, which operates a network of airport towers, air route traffic control centers, and flight service stations, develops air traffic rules, allocates the use of airspace, and provides for the security control of air traffic to meet national defense requirements. Other responsibilities include the construction or installation of visual and electronic aids to air navigation and promotion of aviation safety internationally. The FAA, which regulates and encourages the U.S. commercial space transportation industry, also licenses commercial space launch facilities and private sector launches.

Aircraft: Aircraft CertificationAircraft SafetyGeneral Aviation & Recreational AircraftRepair Stations

Airports: Airport ComplianceAirport Cooperative Research ProgramAirport Improvement ProgramAirport SafetyAlaskan RegionCentral RegionEastern RegionEngineering, Design & ConstructionEnvironmental ProgramsGreat Lakes RegionMajor Airport DevelopmentNew England Region ♦ News & InformationNorthwest Mountain Region ♦ Passenger Facility Charge ProgramPlanning & CapacityResourcesRunway SafetySouthern RegionSouthwest RegionWestern-Pacific Region

Air Traffic: Air Traffic by the NumbersAir Traffic Plans & PublicationsCommunity InvolvementEnvironmental ReviewsFlight InformationInternational AviationNational Airspace SystemObstruction EvaluationSeparation StandardsTechnology

Data & Research: Accident & Incident DataAviation Data & StatisticsAviation ForecastsCommercial Space DataFunding & Grant DataPassengers & CargoResearchSafety

Licenses & Certificates: Air Carrier & Air Agency CertificationAircraft CertificationAirmen CertificationAirport CertificationCommercial Space TransportationMedical CertificationVintage & Experimental Aircraft Program

Regulations & Policies: Advisory CircularsAirworthiness DirectivesFAA RegulationsFormsHandbooks & ManualsNotices to AirmenOrders & NoticesPilot Records DatabasePolicy & GuidanceRulemakingTemporary Flight Restrictions

Training & Testing: Training Resources & GuidesSchoolsAirman TestingFAA Academy


Federal Highway Administration: FHA coordinates highway transportation programs in cooperation with states and other partners to enhance the country's safety, economic vitality, quality of life, and the environment. Major program areas include the Federal-Aid Highway Program, which provides federal financial assistance to the States to construct and improve the National Highway System, urban and rural roads, and bridges. This program provides funds for general improvements and development of safe highways and roads. The Federal Lands Highway Program provides access to and within national forests, national parks, Indian reservations and other public lands by preparing plans and contracts, supervising construction facilities, and conducting bridge inspections and surveys.

Programs: Acquisition ManagementCivil RightsFederal Lands HighwayInfrastructureInnovative Program DeliveryOperationsPlanning, Environment & RealtyPolicyResearch, Development & TechnologySafetyBrowse by Topics

Resources: Core Highway TopicsFederal Aid EssentialsAutomationPublication & Statistics ♦ Laws & RegulationsPolicy & Guidance CenterProfessional DevelopmentNational Highway InstituteResource CenterAccessibility Resource CenterFHWA Research Library

Newsroom: Press ReleasesSpeeches & TestimonyPhotosVideosMedia Contacts


Federal Motor Carrier Safety Administration: FMCSA's primary mission is to prevent commercial motor vehicle-related fatalities and injuries. Administration activities contribute to:

  • Ensuring safety in motor carrier operations through strong enforcement of safety regulations, targeting high-risk carriers and commercial motor vehicle drivers.
  • Improving safety information systems and commercial motor vehicle technologies; strengthening commercial motor vehicle equipment and operating standards
  • Increasing safety awareness.

To accomplish these activities, the Administration works with Federal, state, and local enforcement agencies, the motor carrier industry, labor safety interest groups, and others.

Resources: Frequently Asked QuestionsRegistration FAQsGrantsResources for State & Local PartnersReports to CongressMotor Carrier Safety PlannerInformation Systems OverviewInnovative Technology Deployment ProgramPRISM

Regulations, Rules & Notices: FMCSA GuidanceRegulations & InterpretationsRulemaking DocumentsFederal Register Notices ♦ Regulatory Enforcement (Civil Penalties | Adjudication Decisions | Fine Payments | Uniform Fine Assesment) Disclaimer

Topics: MedicalNational Registry of Certified Medical ExaminersExemptionsPetitionsPetitions for ReconsiderationDrug & Alcohol TestingHours of ServiceElectronic Logging DevicesADHA Requirements for Over-the-Road Bus CompaniesCargo Securement

Registration: Getting StartedUpdate Your RegistrationGet Authority to Operate (MC Number)Get a Cargo Tank NumberGet a USDOT NumberInsurance Filing RequirementsRequest PIN

Commercial Driver's License: Licensing Overview & ResourcesMilitary Driver ProgramsUnder 21 Military Pilot ProgramState Resources

Safety: Passenger Carrier & Bus SafetyOur Roads, Our SafetyHousehold Goods - Protect Your MoveReport a ViolationCompany Safety DataHighway-Rail Grade Crossing Safety ♦ Commercial Motor Vehicle Safety Belt Program ♦ Commercial Tire Safety Tips ♦ Commercial Motor Vehicle Traffic Safety Facts ♦ CertificationInternational SafetyHazardous Materials SafetyDriver SafetyCarrier SafetyBicyclist & Pedestrian SafetyCoercion/Harassment

Analysis, Research & Technology: OverviewActive Research ProjectsCompleted Research Projects ♦ Research & Technology Programs ♦ Reports & Publications

Data & Statistics: Analysis & Information Online ♦ Safety Progress ReportPocket Guide to Large Truck & Bus StatisticsLarge Truck & Bus Crash Facts

News: NewsroomEmergency DeclarationsPress ReleasesSpeechesTestimonyEvents


Federal Railroad Administration: FRA promotes safe and environmentally sound rail transportation. FRA employs safety inspectors to monitor railroad compliance with federally mandated safety standards including track maintenance, inspection standards and operating practices. FRA conducts research and development tests to evaluate projects in support of its safety mission and to enhance the railroad system as a national transportation resource. Public education campaigns on highway-rail grade crossing safety and the danger of trespassing on rail property are also administered by FRA.

Railroad Safety: OverviewAccident Data & Reporting, InvestigationsDivisionsPartnerships & ProgramsSafety Management TeamsQuiet Zone InformationConfidential Close Call Reporting System - C3RSRailroad Crossing Safety & Trespass PreventionPositive Train ControlTrain Horn Rule/Quiet ZonesRisk ReductionHazardous MaterialsRailroad Safety Advisory CommitteeFatality Analysis of Maintenance-of-way Employees & Signalmen (FAMES)Drug & AlcoholSafety DataSwitching Operations Fatalities Analysis (SOFA)Back2Basics

Rail Network Development: OverviewPassenger RailFreight RailEnvironmentPlanningInternationalMaps & DataTraining & GuidanceHigh-Speed RailAmtrakFreight Rail TodayEnvironmental ReviewsGIS Maps

Research & Development: OverviewProgram AreasR&D ReportsR&D Current ProjectsPositive Train ControlHazardous MaterialsHighway-Rail Grade CrossingClose Call ReportingBroad Agency Announcement

Legislation & Regulations: OverviewLegislationRegulations & RulemakingBuy AmericaCurrent InitiativesFixing America's Surface Transportation (FAST) ActNational Rail PlanProposed State Rail PlanCivil Penalties

Grants & Loans: OverviewApplying for GrantsReporting RequirementsClosed ProgramsTraining & GuidanceCompetitive Discretionary Grant ProgramsCompetitive Grants Application ProcessBUILD Discretionary GrantsRailroad Rehabilitation & Improvement FinancingR&D Funding

FRA eLibrary: Accidents & FatalitiesComplianceConferences & PresentationsEmergency & SafetyEnforcement & LitigationPublications & PolicyReportsOther


Federal Transit Administration: FTA assists in developing improved mass transportation systems for cities and communities nationwide. Through its grant programs, FTA helps plan, build, and operate transit systems with convenience, cost and accessibility in mind. While buses and rail vehicles are the most common type of public transportation, other kinds include commuter ferryboats, trolleys, inclined railways, subways, and people movers. In providing financial, technical and planning assistance, the agency provides leadership and resources for safe and technologically advanced local transit systems while assisting in the development of local and regional traffic reduction. FTA maintains the National Transit library (NTL), a repository of reports, documents, and data generated by professionals and others from around the country.

Initiatives: Coordinating Council on Access & MobilityFTA-HUD/PIH Partnership for COVID-19 RecoveryExpedited Project DeliveryHelping Obtain Prosperity for Everyone (HOPE) ProgramAccelerating Innovative Mobility (AIM) Program

Funding: Grant ProgramsCoronavirus Aid, Relief & Economic Security (CARES) ActApplyingGrantee ToolsTransit Award Management SystemNational Transit DatabaseApportionmentsBudget & PerformanceProcurementFunding & Finance Resources

Regulation & Programs: Safety & OversightCivil Rights/ADAProgram OversightTransportation PlanningEnvironmentCharter ServiceTransit Asset ManagementBuy AmericaProject Management OversightResearch & InnovationLegislationFederal Register Rulemaking DocumentsFederal Register NoticesFTA CircularsDear Colleague Letters


Maritime Administration: MARAD promotes development and maintenance of an adequate, well-balanced, U.S. merchant marine, sufficient to carry the Nation's domestic waterborne commerce and a substantial portion of its waterborne foreign commerce, and capable of serving as a naval and military auxiliary in time of war or national emergency. MARAD also seeks to ensure that the U.S. enjoys adequate shipbuilding and repair service, efficient ports, effective intermodal water and land transportation systems, and reserve shipping capacity in time of national emergency.

National Security: Strategic SealiftNational Defense Reserve FleetReady Reserve ForceCargo PreferenceDomestic ShippingAmerican Fisheries Act

Economic Security: PortsFederal Grant AssistancePort ConveyanceDeepwater Ports LicensingEmergency & Preparedness ResponseNational Port Readiness Network (NPRN)International Activities

Education: Maritime AcademiesK-12

Grants: Federal Grant AssistanceAmerica's Marine Highway ProgramSmall ShipyardFederal Ship Financing Program (Title XI)Construction Reserve FundCapital Construction FundPort Infrastructure Development Grants

Innovation: Maritime Environmental & Technical Assistance (META) Program

Data & Reports: Data StatisticsVessel Inventory Reports since July 1990


National Highway Traffic Safety Administration: NHTSA is responsible for reducing deaths, injuries and economic losses resulting from motor vehicle crashes. Sets and enforces safety performance standards for motor vehicles and equipment, and through grants to state and local governments enables them to conduct effective local highway safety programs. Investigates safety defects in motor vehicles, sets and enforces fuel economy standards, helps states and local communities reduce the threat of drunk drivers, promotes the use of safety belts, child safety seats and air bags, investigates odometer fraud, establishes and enforces vehicle anti-theft regulations and provides consumer information on motor vehicle safety topics.

RatingsRecallsRisky DrivingRoad SafetyEquipmentTechnology & Innovation

ResearchDataLaws & Regulations

Briefing RoomParents & CaregiversImporting a VehicleVehicle ManufacturersState GovernmentsEnforcement & Justice


Office of Inspector General: OIG conducts audits and investigations on behalf of the American public to improve the performance and integrity of DOT's programs to ensure a safe, efficient, and effective national transportation system.


Oversight Areas: Acquisition & ProcurementAuto SafetyAviationCommercial Vehicles Disaster & RecoveryHighway InfrastructureInformation TechnologyManagement & FinancialMaritimePipelines & HazmatRailroads & TransitSingle Audits


Pipeline & Hazardous Materials Safety Administration: PHMSA oversees the safety of more than 800,000 daily shipments of hazardous materials in the U.S. and 64% of the nation's energy that is transported by pipelines. Dedicated solely to safety by working toward the elimination of transportation-related deaths and injuries in hazardous materials and pipeline transportation, and by promoting transportation solutions that enhance communities and protect the natural environment.

Safety: GrantsHazardous Materials Outreach & TrainingHazardous Materials Safety Enhancement ProgramInternational ProgramPipeline Safety Awareness & OutreachPipeline Safety TrainingPipeline State ProgramsResearch & Development

Regulations & Compliance: Approvals & PermitsEnforcementField OperationsHazardous Materials RegistrationInterpretationsLegislative MandatesNational Transportation Safety Board (NTSB) RecommendationsNotices & Advisory BulletinsPHMSA GuidancePipeline Drug & AlcoholRegulationsStandards & Rulemaking

Resources: Data & StatisticsIncident ReportingNational Pipeline Mapping System (NPMS)PHMSA PortalPlanning & AnalyticsEmergency Response GuidebookFormsHazardous Materials Information CenterOperator ResourcesPHMSA oCFRTechnical ResourcesTechnical ReportsTransporting Infectious Substances


Saint Lawrence Seaway Development Corporation: SLSDC operates and maintains a safe, reliable and efficient waterway for commercial and noncommercial vessels between the Great Lakes and the Atlantic Ocean. The SLSDC, in tandem with the Saint Lawrence Seaway Authority of Canada, oversees operations safety, vessel inspections, traffic control, and navigation aids on the Great Lakes and the Saint Lawrence Seaway. Important to the economic development of the Great Lakes region, SLSDC works to develop trade opportunities to benefit port communities, shippers and receivers and related industries in the area.

Explore the SeawayResources & PublicationsThe Seaway TodayMaritime Community ResourcesHistory of the Seaway