• National Directorate of Roads

Public roads in Australia exceed 810,000 km in length, the majority of which are low-use rural local roads. Articulated trucks comprise 12% of the total traffic on the National Highway System.

• The Australian road network

The Austrian federal road network consists of 1 645 km motorways and 354 km express roads. 160 km of this network are tunnels and 200 km of it are bridges. Austrians make an average of 3.7 trips a day with an average duration of 23 minutes and an average distance.

• Ministry for Transport, Innovation and Technology

The General Directorate of Highways and Roads is a service of the Ministry of the Equipment and Transport which consists of a Secretariat General and three other Head Offices: Hydraulic Ways, Transport and Technical Services.

Québec's vast territory, numerous waterways, rigorous climate and the constantly growing number of vehicules and trips pose daunting challenges from the standpoint of development, management and protection of the road network. The Ministère des Transports du Québec has always successfully met these challenges and Quebecers now have access to a solidly structured road network spanning over 135,000 km.

• Ministry of Transportation of Quebec

Since the opening of the Gyeongbu Expressways in the 1970's, South Korean modern roads have benefited remote regions and have provided transport access to farming and fishing villages. They have also provided the main logistic infrastructure for industrial complexes, with the construction of expressways, national and provincial roads throughout the country.

• Ministry of Land, Infrastructure and Transport

The Danish Road Directorate employs approximately 870 people. It constructs, runs and maintains the State road network. As of January 1, 2009 the State road network constitutes 3,790 km, which represents about 5 % of the entire road network in Denmark (73,331 km).

• Danish Road Directorate

From January 1, 2009 due to structural changes the Estonian Road Administration has four regional road administrations, which focus on planning and ordering whereas all maintenance work will be done by the private road sector.

• Estonian Road Administration

The Finnish Transport Agency is responsible for the public road network in Finland. Its mission is to provide smooth, safe and environmentally friendly road connections.

• Finnish Transport Agency

Since 2007, the national responsibilities come under the Ministry of ecology, energy, sustainable development and the sea and especially the Directorate of transport infrastructure in the Branch Infrastructure, Transport and the Sea (DGITM).
More information on the national road network in France...

• Ministry for the Ecological and Solidary Transition

The Icelandic web pages in English present, for the time being, primarily road condition, weather and such basic information that can assist the foreign traveller in Iceland.

• Road and Coastal Administration

ANAS, with its 6,500 employees and its 19 Regional Departments, manages the Italian national road and motorway network. Supervises construction and design and is directly responsible for the ordinary and extraordinary maintenance of almost 25,000 km of roads and motorways.

• National Autonomous Roads Corporation

Roads in Japan consist of 7,000 km of Expressways and approximately 1,200,000 km of general roads. The total length of the Arterial High-Standard Highways in service reached the 8,017 km mark as of the end of fiscal year 2001. This is about 57 % of the total planned length of 14,000 km.

• Ministry of Land, Infrastructure, Transport and Tourism

Since 2004, the Latvian State Roads is a State Joint Stock Company that operates according to Company Statutes and the Agreement "On Road Sector Management" signed with its main client - the Ministry of Transport of the Republic of Latvia.

• Latvian State Roads

The Lithuanian Road Administration is in charge of organising and coordinating the rehabilitation, maintenance and development of roads of national significance.

• Lithuanian Road Administration

Construction of roads in Malaysia was implemented mainly by the Federal Government and State Government.

However, since the mid-1980s, construction of toll roads has been started by private companies who are authorized by the government to charge tolls to road users.
More information on the national road network in Malaysia...

• Malaysian Public Works Department

Key issues relating to the physical management of New Zealand's state highway assets are pavements, bridges, minor structure, corridor assets and drainage.

• The New Zealand road network

The Norwegian Public Roads Administration is responsible for the planning, construction and operation of the national and county road networks, vehicle inspection and requirements, driver training and licensing.

• Norwegian Public Roads Administration

In Pakistan, motorways and national highways are managed by the National Highway Authority (NHA), whereas provincial roads are managed by the respective provinces.
More information on the national road network in Pakistan...

• National Highway Authority

The National Company of Motorways and National Roads has under its administration around 79000 km of roads (excepting urban and rural streets), 3271 bridges and eight tunnels.
More information on the national road network in Romania...

• Romanian National Company of Motorways and National Roads

The Swedish Transport Administration is the agency responsible for all modes of traffic: traffic on roads and railways, on the sea and in flight. We will plan for all modes of traffic for a long time to come. The Swedish Transport Administration will also build, maintain, and operate all national roads and railways.

• Swedish Transport Administration

The Swiss Federal Roads Authority was formed in 1998 following the amalgamation of the Federal Office of Road Construction and the Road Traffic section of the Federal Office of Police. It therefore unites the most important competencies and duties in the area of road traffic.
More information on the national road network in Switzerland...

• Swiss Federal Roads Authority

The Public Establishment for Road Communications (PERC) undertakes the task of developing the main and secondary road network and preparing the plans necessary for such development. It has a Traffic Engineering Directorate responsible for road safety.
More information on the national road network in Syria...

• Public Establishment for Road Communications (PERC)

The vision of the Federal Highway Administration (FHWA) is to create the best transportation system in the world for the American people through proactive leadership, innovation, and excellence in service. We also provide expertise, resources, and information to continually improve the quality of our nation's highway system and its intermodal connections. We undertake this mission in cooperation with all of our partners to enhance the country's economic vitality, quality of life, and the environment.

• The U.S. Federal Highway Administration

AASHTO (American Association of State Highway and Transportation Officials) is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia and Puerto Rico. It represents all five transportation modes: air, highways, public transportation, rail and water.

• American Association of State Highway and Transportation Officials