Capacity of infrastructure networks
Published (reviewed and quality assured)
Justification for indicator selection
The total length of a network does not provide a complete indication of its capacity as this is also a function of the design of its infrastructure, its operational efficiency, the management of its assets and resources and the efficiency with which it can be accessed. However, limits to data availability make it impracticable to develop a more sophisticated indicator, and total network length does provide a meaningful basis for comparing the maximum capacity of networks between different countries.
The total length of an infrastructure network (motorways, railway lines, inland waterways and pipelines) also provides a measure of the accessibility of Europe's population to key infrastructure. It also indirectly demonstrates the fragmentation of the landscape and potential emissions from the transport sector and together with density of infrastructure (per km2) is linked to the indicators of landscape and habitat fragmentation (which show areas >100 km2 un-dissected with traffic corridors > 1000 vehicles per day) (see TERM06).
Infrastructure is key to economic development and it is one of the priorities set out in European documents such as the Lisbon agenda (2000). Capacity shortages on the railways in Europe have a negative effect on the operation of the railways in relation to other modes of transport (European Parliament, 2007). As indicated by the EC Green Paper on "TEN-T: a policy review", climate change objectives should be placed at the centre of future TEN-T policy and future TEN-T policy should provide a sound basis for an effective contribution to the Community's climate change objectives (European Commission, 2009).
- European Parliament (2007) Report on the implementation of the first railway package (2006/2213(INI)). The Committee on Transport and Tourism, Rapporteur Michael Cramer. Final A6-0219/2007
- European Commission (2009) Green Paper, TEN-T: a policy review: Towards a better integrated trans-European transport network at the service of the common transport policy, EC COM(2009) 44 final of 2 February 2009
- Carvalho, R, L. Buzna, F. Bono, E. Gutierrez, W. Just and D. Arrowsmith (2009) Robustness of Trans-European Gas Networks: the Hot Backbone, published in arXiv.com, 26 May 2009.
The question: “are we optimising the use of existing transport infrastructure capacity and moving towards a better-balanced intermodal transport system” has attempted to been answered by referring to data available on network lengths, as described in the rationale section.
The indicator covers roads, motorway, railway (including high speed rail lines – HSR), navigable inland waterway lines (see definitions of the terms below) and pipelines. Additionally it looks at transport infrastructure density in terms of land area (kilometres per km2) and transport infrastructure density in terms of population (km per 1000 inhabitants).
Road: Line of communication (travelled way) using a stabilized base other than rails or air strips open to public traffic, primarily for the use of road motor vehicles running on their own wheels. Included are bridges, tunnels, supporting structures, junctions, crossings and interchanges. Toll roads are also included. Excluded are dedicated cycle paths.
Road network: All roads in a given area.
Motorway: Road, specially designed and built for motor traffic, which does not serve properties bordering on it, and which:
- Is provided, except at special points or temporarily, with separate carriageways for the two directions of traffic, separated from each other, either by a dividing strip not intended for traffic, or exceptionally by other means;
- Does not cross at level with any road, railway or tramway track, or footpath;
- Is specially sign-posted as a motorway and is reserved for specific categories of road motor vehicles.
Entry and exit lanes of motorways are included irrespectively of the location of the signposts. Urban motorways are also included.
Railway: Line of communication made up by rail exclusively for the use of railway vehicles. The line of communication is part of space equipped for the execution of transport.
Railway network: All railways in a given area. This does not include stretches of road or water even if rolling stock should be conveyed over such routes, e .g. by wagon-carrying trailers or ferries. Lines solely used for touristic purposes during the season are excluded as are railways constructed solely to serve mines, forests or other industrial or agricultural undertakings and which are not open to public traffic.
High-speed line: A line specially built to allow traffic at speeds generally equal to or greater than 250 kilometres /hour for the main segments. High-speed lines may include connecting lines, in particular junctions with town centre stations located on them, on which speeds may take account of local conditions (adapted from Directive 98/48/EC).
Navigable inland waterways
Waterway: River, canal, lake or other stretch of water, which by natural or man-made features is suitable for navigation. Waterways of a maritime character (waterways designated by the reporting country as suitable for navigation primarily by sea-going ships) are included. Waterways also include river estuaries; the boundary being that point nearest the sea where the width of the river is both less than 3 km at low water and less than 5 km at high water.
Navigable inland waterway: A stretch of water, not part of the sea, over which vessels of a carrying capacity of not less than 50 tonnes can navigate when normally loaded. This term covers both navigable rivers and lakes and navigable canals. The length of rivers and canals is measured in mid-channel. The length of lakes and lagoons is measured along the shortest navigable route between the most distant points to and from which transport operations are performed. A waterway forming a common frontier between two countries is reported by both.
Oil pipelines: Pipes for the movement of crude or refined liquid petroleum products by pumping. Branch lines are included as well as oil pipelines between the land and drilling platforms at sea. Excluded are oil pipelines whose total length is less than 50 kilometres or whose inside diameter is less than 15 centimetres and oil pipelines used only for military purposes or located entirely within the site boundaries of an industrial operation, as well as oil pipelines that are entirely off-shore (i.e. located solely out in the open sea). International oil pipelines whose total length is 50 kilometres or more are included even if the section in the reporting country is less than 50 kilometres long. Oil pipelines consisting of two (or more) parallel pipelines are to be counted twice (or more). Only units, which actually carry out an activity during the reference period, should be considered. "Dormant" units or those not yet having begun their activity are excluded.
Oil pipeline network: All oil pipelines in a given area. The territory of the area in question includes that part of the seabed allocated to it under a concession.
Infrastructure networks (capacity) are measured in kilometres (km).
Infrastructure density is measured in km/ 1,000 km2 and km/1,000 population.
Policy context and targets
Transport infrastructure forms the arteries of the European internal market. It also contributes to social cohesion in terms of accessibility. However, infrastructure or its absence may equally produce and reinforce social inequality and fragmentation. It also contributes to a number of environmental impacts. Infrastructure construction puts pressure on the environment by destroying natural habitats and by cutting across wildlife areas which leads to fragmentation and disruption of natural behaviours and breeding territories. Additionally, the environment close to infrastructure suffers from, amongst others, higher noise levels, air pollution and dangers created by vehicles. The effects of infrastructure on land and nature are assessed in TERM 06 “Fragmentation”, TERM 07 “Proximity to designated nature areas” and TERM 08 “Land take”.
The European Commission has set itself the objective to offer users high-quality and safe infrastructure that includes all modes of transport and allows the optimal usage of existing capacities, by either creating new or upgrading existing infrastructure (European Commission, 2001 and 2009). Additionally, the Commission recognises in the Reviewed Sustainable Development Strategy (European Commission, 2006) that if congestion, greenhouse gas emissions and pollution are to be tackled, demand must be shifted towards more environmentally friendly modes. The Strategy clearly states that the EU and Member States should take measures to improve the economic and environmental performance of all modes and enable a shift from road to rail, water and public passenger transport including lower transport intensity through production and logistic process reengineering and behavioural change combined with a better connection of the different transport modes.
Historically, most transport infrastructure inEuropehas been developed under national policies. In order to establish a single, multimodal network that integrates European land, sea and air transport networks, the EU established the Trans-European transport network (TEN-T), enabling the Lisbon Strategy (European Council, 2000) which aims to make the EU the most dynamic and competitive economy by 2010. A key issue identified by the Commission in relation to the implementation of the TEN-T policy is to rationalise the allocation of resources and select those projects that will have best value for the Community’s money. This programme also contributed to the opening of a new network of high speed rail, which competes both with air and road transport and with increased modal shift has even greater opportunities to reduce air transport emissions and travel (European Commission, 2009).
The European Council has adopted Directive 96/48/EC of 23 July 1996 as amended by Directive 2004/50/EC of 29 April 2004 on the interoperability of the trans-European high-speed rail system to facilitate, improve and develop international rail transport services withinEurope. It also requires that Member States establish a register a part of which contains information on infrastructure and rolling stock of the trans-European high-speed rail system, which must be updated and reported annually.
One of the important targets for road infrastructure is removing bottlenecks.
In addition, a number of targets have been set in the EC paper “Towards a rail network giving priority to freight” (European Commission, 2007b), some of which relate to infrastructure development, not necessarily covered by, but relevant to this indicator such as:
- create a strong European rail network, part of the TEN-T on which fright transport will be more reliable and efficient;
- undertake new measures to create a fright-oriented network;
- increase capacity of corridors in terms of freight length, gauge, axle load and maximum speed.
The EC Green Paper “TEN-T: A policy review” has raised one more possible target of separating rail freight and passenger infrastructure to ensure better capacity and provide for the needs of both services which are quite different (European Commission, 2009). The revision is still in progress and the scope of the policy and targets are to be set.
The EU’s policy to promote inland waterways transport is reflected in the Integrated Action programme “NAIADES” 2006-2013. One of the objectives is to provide adequate waterways infrastructure and to develop it in a coordinated and integrated way. TEN-T programme project no. 18 is dedicated to inland waterways and its completion should finalise the currentEuropewide (18 participating countries) waterways infrastructure.
Pipelines are the most efficient, economic and safe transport mode for crude oil transportation. Recently EU’s energy policy underwent the second energy strategic review resulting in the Third Energy package agreed in May 2009 by the European Parliament. One of the five points of the EU Energy Security and Solidarity Action plan focuses on infrastructure needs and the diversification of energy supplies (DG TREN, 2008). Here the declaration signed in 2007 for building a pipeline to bring oil from theBlack Seaby 2012 is the matching action already in progress (EurActive, 2007). Though future developments of the oil pipeline infrastructure should not only provide a greater oil supply security for EU, but also be in line with the “20-20-20 initiative” which should make EU less dependent of imports of oil and gas by increasing share of renewable energy in overall energy consumption.
Most recently the European Commission published a Transport White Paper in March 2011 (European Commission, 2011), which includes a number of objectives and targets for transport. In particular there are a number of objectives aimed at ‘Optimising the performance of multimodal logistic chains, including by making greater use of more energy-efficient modes’, which will in most cases have a direct impact on transport infrastructure investment and capacity; these include:
- 30 % of road freight over 300 km should shift to other modes such as rail or waterborne transport by 2030, and more than 50 % by 2050, facilitated by efficient and green freight corridors. To meet this goal will also require appropriate infrastructure to be developed.
- By 2050, complete a European high-speed rail network. Triple the length of the existing high-speed rail network by 2030 and maintain a dense railway network in all Member States. By 2050 the majority of medium-distance passenger transport should go by rail.
- A fully functional and EU-wide multimodal TEN-T ‘core network’ by 2030, with a high quality and capacity network by 2050 and a corresponding set of information services.
By 2050, connect all core network airports to the rail network, preferably high-speed; ensure that all core seaports are sufficiently connected to the rail freight and, where possible, inland waterway system.
Related policy documents
COM (2001) 370 final. European transport policy for 2010.
WHITE PAPER European transport policy for 2010: time to decideCOM (2001) 370 final
Trans-European Networks: Towards an integrated approach COM(2007) 135 final
Towards a rail network giving priority to freight, COM(2007) 608 final
20 20 by 2020: Europe's climate change opportunity COM(2008) 30 final
Green Paper, TEN-T: a policy review: Towards a better integrated trans-European transport network at the service of the common transport policy, EC COM(2009) 44 final
- Lisbon European Council 23 and 24 March 2000 presidency conclusions, Lisbon strategy
Key policy question
Is the existing infrastructure capacity being optimised? Are we optimising the use of existing transport infrastructure capacity and moving towards a better-balanced intermodal transport system?
Methodology for indicator calculation
Data is collected by Eurostat. Data on HRS length are collected by International Union of Railways.
For having more details on used mtodologies for collecting these data please visit their website (see Data Specification)
Methodology for gap filling
Capacity is the maximum traffic flow (vehicle-kilometres in a given time unit) that can be carried by transport infrastructure. However, such data is not available. Therefore, the length of transport infrastructure by type (e.g. motorways, railways, navigable inland waterways and oil pipelines) is taken here as a proxy indicator for capacity of road, rail and inland waterways.
Due to various inconsistencies with road classification, road infrastructure is not provided within this indicator. The exception to this is for motorways for which there is a clear definition available (see earlier text).
Pipelines for transport of natural gas are not included because of a lack of available data, however information on gas pipelines serving Europe has been found in the French Institute for International Relations (Nies, 2008), where detailed information per pipeline has been collected from various sources. Another source of gas pipeline capacity data could be Platts Natural Gas (http://www.platts.com).
- European Communities (2003) Glossary for transport statistics: Document prepared by the Intersectoral Woking Group on Transport Statistics, Third edition, EC, UNECE, ECMT.
- Nies, Susanne (2008) Oil and gas delivery to Europe: an overview of existing and planned infrastructures, published by The French Institute for International Relations (Gouvernance Europeenne et Geopolitique de l'Energie), 4 bis, ISBN 978-2-86592-363-2:
EEA data references
- Corine land cover 2006 (CLC2006) 100 m - version 12/2009 provided by European Environment Agency (EEA)
External data references
Data sources in latest figures
No uncertainty has been specified.
Data sets uncertainty
No uncertainty has been specified.
No uncertainty has been specified.
Short term work
Work specified here requires to be completed within 1 year from now.
Long term work
Work specified here will require more than 1 year (from now) to be completed.
Responsibility and ownership
EEA Contact InfoCinzia Pastorello
Frequency of updates
ClassificationDPSIR: Driving force
Typology: Descriptive indicator (Type A - What is happening to the environment and to humans?)
For references, please go to www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe’s environment.
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