In the context of
European Union
The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
law, a public service obligation or PSO is an obligation imposed on an organisation by
legislation
Legislation is the process or result of enrolling, enacting, or promulgating laws by a legislature, parliament, or analogous governing body. Before an item of legislation becomes law it may be known as a bill, and may be broadly referred ...
or
contract
A contract is an agreement that specifies certain legally enforceable rights and obligations pertaining to two or more parties. A contract typically involves consent to transfer of goods, services, money, or promise to transfer any of thos ...
to provide a
service of general interest within EU territories. PSOs may operate in any field of public service, but
postal services
The mail or post is a system for physically transporting postcards, letters, and parcels. A postal service can be private or public, though many governments place restrictions on private systems. Since the mid-19th century, national postal sy ...
,
social services
Social services are a range of public services intended to provide support and assistance towards particular groups, which commonly include the disadvantaged. Also available amachine-converted HTML They may be provided by individuals, private and i ...
,
energy
Energy () is the physical quantity, quantitative physical property, property that is transferred to a physical body, body or to a physical system, recognizable in the performance of Work (thermodynamics), work and in the form of heat and l ...
,
transport
Transport (in British English) or transportation (in American English) is the intentional Motion, movement of humans, animals, and cargo, goods from one location to another. Mode of transport, Modes of transport include aviation, air, land tr ...
and
banking
A bank is a financial institution that accepts Deposit account, deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital m ...
are specific sectors where the concept is relevant.
Transport law

In EU transport law, a PSO is an arrangement by which a governing body or other authority offers
subsidies
A subsidy, subvention or government incentive is a type of government expenditure for individuals and households, as well as businesses with the aim of stabilizing the economy. It ensures that individuals and households are viable by having acce ...
in an
auction
An auction is usually a process of Trade, buying and selling Good (economics), goods or Service (economics), services by offering them up for Bidding, bids, taking bids, and then selling the item to the highest bidder or buying the item from th ...
, whereby the winning company will be obliged to operate a specified service of
public transport
Public transport (also known as public transit, mass transit, or simply transit) are forms of transport available to the general public. It typically uses a fixed schedule, route and charges a fixed fare. There is no rigid definition of whic ...
for a specified period of time in return for the subsidy. This usually leads to the winning bidder having a
monopoly
A monopoly (from Greek language, Greek and ) is a market in which one person or company is the only supplier of a particular good or service. A monopoly is characterized by a lack of economic Competition (economics), competition to produce ...
on the route, as competing services would not be viable without subsidies. PSOs are aimed at routes which are unprofitable in a
free market
In economics, a free market is an economic market (economics), system in which the prices of goods and services are determined by supply and demand expressed by sellers and buyers. Such markets, as modeled, operate without the intervention of ...
, but where there is a socially desirable advantage to transport being available.
The use of PSO can be applied to many
modes of transport, including
air
An atmosphere () is a layer of gases that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosph ...
,
sea
A sea is a large body of salt water. There are particular seas and the sea. The sea commonly refers to the ocean, the interconnected body of seawaters that spans most of Earth. Particular seas are either marginal seas, second-order section ...
,
road
A road is a thoroughfare used primarily for movement of traffic. Roads differ from streets, whose primary use is local access. They also differ from stroads, which combine the features of streets and roads. Most modern roads are paved.
Th ...
or
rail. In many cases, the introduction of PSO has been a way to
privatize government-owned transport. Infrastructure is often separated from operations, and may be owned by a governing body or a third party. The authority may also maintain the ownership of the vehicles, such as ferries or
rolling stock
The term rolling stock in the rail transport industry refers to railway vehicles, including both powered and unpowered vehicles: for example, locomotives, Railroad car#Freight cars, freight and Passenger railroad car, passenger cars (or coaches) ...
.
Traditionally, public transport has been operated by a company wholly-owned by the state with a monopoly, like a national railway company. Alternatively, private companies were granted
privileges (with or without subsidies) granting them a monopoly. In recent years, many markets have been deregulated, especially in Europe, by paying the lowest bidding operator to carry out services.
Specification
The authority issuing the auction may be a
ministry of transport
A ministry of transport or transportation is a ministry responsible for transportation within a country. It usually is administered by the ''minister for transport''. The term is also sometimes applied to the departments or other government a ...
,
county
A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...
,
province
A province is an administrative division within a country or sovereign state, state. The term derives from the ancient Roman , which was the major territorial and administrative unit of the Roman Empire, Roman Empire's territorial possessions ou ...
,
state
State most commonly refers to:
* State (polity), a centralized political organization that regulates law and society within a territory
**Sovereign state, a sovereign polity in international law, commonly referred to as a country
**Nation state, a ...
,
municipality
A municipality is usually a single administrative division having municipal corporation, corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate.
The term ''municipality' ...
or other regional or local authority, or it can be a
transit authority or other ad-hoc organization responsible for some form of transport in an area. To put sérvices out to tender, an authority must have an interest in subsidizing the transport. It must also have the authority to prevent other interests from operating competing services on parts of or all of the system.
The auctioneer will specify a number of terms of the service, such as
frequency
Frequency is the number of occurrences of a repeating event per unit of time. Frequency is an important parameter used in science and engineering to specify the rate of oscillatory and vibratory phenomena, such as mechanical vibrations, audio ...
, size of vehicle, timing of services, the maximum permitted
fare, and/or other specifications related to service and quality. The auctioneer can specify either a net or gross contract. In the latter the operator bids for the full operating costs, and all revenue goes to the authority; with net contracts the operator will be granted all revenue, and will bid only for the difference between fare revenue and that needed to make the desired profit. The use of gross contracts reduces the risk of the operator since they do not need to estimate the ridership and will normally result in lower bids since there is a lower
risk premium
A risk premium is a measure of excess return that is required by an individual to compensate being subjected to an increased level of risk. It is used widely in finance and economics, the general definition being the expected risky Rate of retur ...
in each bid. This option also makes it easier to create free transfer between operators and modes.
Net contracts give the operators an incentive to increase ridership and reduce risk to the auctioneer. Gross contracts tend to have higher administrative costs for the authority administrating the fares. Urban public transport with transit authorities is most commonly operated with gross contracts, while airlines and ferry routes are typically operated on net contracts.
Typical uses of PSO include
regional airline services in
Northern Norway
Northern Norway (, , ; ) is a geographical region of Norway, consisting of the three northernmost counties Nordland, Troms and Finnmark, in total about 35% of the Norwegian mainland. Some of the largest towns in Northern Norway (from south to no ...
or
Ireland
Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
, where the airlines serve low-population areas not profitable for the carriers without subsidies. Rail services can be unprofitable even on major routes, and government subsidies are sometimes offered through PSO. This has been very popular in
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
. Most cities subsidize their
public transport
Public transport (also known as public transit, mass transit, or simply transit) are forms of transport available to the general public. It typically uses a fixed schedule, route and charges a fixed fare. There is no rigid definition of whic ...
, and in places where the transport is provided by private companies, that may be awarded through PSO. Other common PSO services are ferries, such as the routes to
Gotland
Gotland (; ; ''Gutland'' in Gutnish), also historically spelled Gottland or Gothland (), is Sweden's largest island. It is also a Provinces of Sweden, province/Counties of Sweden, county (Swedish län), Municipalities of Sweden, municipality, a ...
in Sweden, or car ferries along Norway's road network. Ferry routes serving
outlying islands in
Hong Kong
Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...
are also subsidised, as a result of rising
oil price
The price of oil, or the oil price, generally refers to the spot price of a Oil barrel, barrel () of benchmark crude oil—a reference price for buyers and sellers of crude oil such as West Texas Intermediate (WTI), Brent Crude, Dubai Crud ...
and therefore the cost of operation.
European Union

In the
European Union
The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
, route PSOs are governed by Regulation (EC) No 1008/2008 and Council Regulation (EEC) 3577/92. They must be offered for
tender in the ''
Official Journal of the European Union'' and be open to any transport operator registered in an EU member state. There are limitations in the number of passengers which can be carried where the route can remain eligible for PSO. The winning tenderer usually receives a monopoly on the route, but may have to conform to one or more conditions of service, such as the type and size of vehicle, the timing of services, the maximum fare paid for a portion or all of the seats offered, membership of a common reservation system, quality of service measured by a maximum percentage of cancelled services, etc.
Examples of air transport PSOs currently in operation in Europe are routes from
Dublin
Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...
to
Kerry and
Donegal, routes between the
Greek Mainland and the
Greek Islands, routes from
Italian mainland to
Sardinia
Sardinia ( ; ; ) is the Mediterranean islands#By area, second-largest island in the Mediterranean Sea, after Sicily, and one of the Regions of Italy, twenty regions of Italy. It is located west of the Italian Peninsula, north of Tunisia an ...
and
Elba, routes between the
French mainland and
Corsica
Corsica ( , , ; ; ) is an island in the Mediterranean Sea and one of the Regions of France, 18 regions of France. It is the List of islands in the Mediterranean#By area, fourth-largest island in the Mediterranean and lies southeast of the Metro ...
, certain domestic routes within
Sweden
Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
and
Finland
Finland, officially the Republic of Finland, is a Nordic country in Northern Europe. It borders Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bothnia to the west and the Gulf of Finland to the south, ...
, and routes to the
Scottish Highlands and Islands.
International routes are usually not supported by PSO. This is because of a political principle that people should pay for international travel themselves, not through tax money. This is especially evident in
Scandinavia
Scandinavia is a subregion#Europe, subregion of northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. ''Scandinavia'' most commonly refers to Denmark, Norway, and Sweden. It can sometimes also ...
where there is very little international air traffic between cities other than through the capitals, where connections are commercially profitable. There are exceptions, like the
Stockholm
Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...
-
Narvik
() is the third-largest List of municipalities of Norway, municipality in Nordland Counties of Norway, county, Norway, by population. The administrative centre of the municipality is the Narvik (town), town of Narvik. Some of the notable villag ...
night trains.
The term is also used in relation to electricity generation, such as wind power and biomass powerplants.
United States

The
Essential Air Service (EAS) is a
U.S. government public service obligation style program enacted to guarantee that small communities in the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
, which, prior to deregulation, were served by certificated
airline
An airline is a company that provides civil aviation, air transport services for traveling passengers or freight (cargo). Airlines use aircraft to supply these services and may form partnerships or Airline alliance, alliances with other airlines ...
s, maintained commercial service. Its aim is to maintain a minimal level of scheduled air service to these communities that otherwise would not be profitable. This came in response to the
Airline Deregulation Act, passed in 1978, which gave U.S. airlines almost total freedom to determine which markets to serve domestically and what fares to charge for that service.
The program is codified at .
The
United States Department of Transportation
The United States Department of Transportation (USDOT or DOT) is one of the executive departments of the U.S. federal government. It is headed by the secretary of transportation, who reports directly to the president of the United States a ...
(DOT) subsidizes airlines to serve
rural
In general, a rural area or a countryside is a geographic area that is located outside towns and cities. Typical rural areas have a low population density and small settlements. Agricultural areas and areas with forestry are typically desc ...
communities across the country that otherwise would not receive any scheduled air service.
, the Essential Air Service subsidized 160 communities, of which 43 were in Alaska, whose guidelines for service are distinct from the rest of the country. The decision as to what degree of subsidized service a community requires is made based on identifying a specific
hub for the community and from there determining the number of trips, seats, and type of aircraft that are necessary to reach that hub.
References
{{Reflist
External links
Regulation (EC) No 1008/2008 of the European Parliament and of the Council of 24 September 2008on common rules for the operation of air services in the community
Example of PSO tender notice in the ''Official Journal of the European Union''
European Union law
Public transport
Transport law