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American Association of State Highway and Transportation Officials

The American Association of State Highway and Transportation Officials (AASHTO) is a standards setting body which publishes specifications, test protocols, and guidelines that are used in highway design and construction throughout the United States.

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Border control

Border control comprises measures taken by governments to monitor and regulate the movement of people, animals, and goods across land, air, and maritime borders.

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Controlled-access highway

A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated.

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Epidemiology of motor vehicle collisions

Worldwide, it was estimated that 1.25 million people were killed and many millions more were injured in motor vehicle collisions in 2013.

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European Union

The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe.

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Fuel efficiency

Fuel efficiency (or fuel economy) is a form of thermal efficiency, meaning the ratio of effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work.

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Germany

Germany, officially the Federal Republic of Germany (FRG), is a country in Central Europe.

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Grade separation

In civil engineering (more specifically highway engineering), grade separation is a method of aligning a junction of two or more surface transport axes at different heights (grades) so that they will not disrupt the traffic flow on other transit routes when they cross each other.

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Highway

A highway is any public or private road or other public way on land.

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Ice road

An ice road or ice bridge is a human-made structure that runs on a frozen water surface (a river, a lake or a sea water expanse).

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Indonesia

Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans.

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Limited-access road

A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, and partial controlled-access highway, is a highway or arterial road for high-speed traffic which has many or most characteristics of a controlled-access highway (also known as a freeway or motorway), including limited or no access to adjacent property, some degree of separation of opposing traffic flow, use of grade separated interchanges to some extent, prohibition of slow modes of transport, such as bicycles, horse-drawn vehicles or ridden horses, or self-propelled agricultural machines; and very few or no intersecting cross-streets or level crossings.

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New Jersey Turnpike

The New Jersey Turnpike (NJTP) is a system of controlled-access highways in the U.S. state of New Jersey.

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Road traffic safety

Road traffic safety refers to the methods and measures used to prevent road users from being killed or seriously injured.

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Traffic barrier

Traffic barriers (known in North America as guardrails or guard rails, in Britain as crash barriers, and in auto racing as Armco barriersAK Steel (formerly Armco) genericized trademark) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains, or from traversing steep (non-recoverable) slopes or entering deep water.

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Traffic calming

Traffic calming uses physical design and other measures to improve safety for motorists, car drivers, pedestrians and cyclists.

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Traffic collision

A traffic collision, also known as a motor vehicle collision, or car crash, occurs when a vehicle collides with another vehicle, pedestrian, animal, road debris, or other moving or stationary obstruction, such as a tree, pole or building.

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Traffic sign

Traffic signs or road signs are signs erected at the side of or above roads to give instructions or provide information to road users.

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Vehicle

A vehicle is a machine designed for self-propulsion, usually to transport people, cargo, or both.

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Vienna Convention on Road Traffic

The Convention on Road Traffic, commonly known as the Vienna Convention on Road Traffic, is an international treaty designed to facilitate international road traffic and to increase road safety by establishing standard traffic rules among the contracting parties.

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World Health Organization

The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health.

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