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The green transport hierarchy (Canada), street user hierarchy (US), sustainable transport hierarchy (Wales), [1] urban transport hierarchy or road user hierarchy (Australia, UK) [2] is a hierarchy of modes of passenger transport prioritising green transport. [3] It is a concept used in transport reform groups worldwide [4] [5] and in policy ...
Highway safety engineering is a branch of traffic engineering that deals with reducing the frequency and severity of crashes. It uses physics and vehicle dynamics, as well as road user psychology and human factors engineering, to reduce the influence of factors that contribute to crashes. A typical traffic safety investigation follows these ...
A road is a thoroughfare, route, or way on land between two places that has been surfaced or otherwise improved to allow travel by foot or some form of conveyance, including a motor vehicle, cart, bicycle, or horse.
The alignment is the route of the road, defined as a series of horizontal tangents and curves. The profile is the vertical aspect of the road, including crest and sag curves, and the straight grade lines connecting them. The cross section shows the position and number of vehicle and bicycle lanes and sidewalks, along with their cross slope or ...
Bundesautobahn 9 near by Garching bei Muenchen, Germany. At the top of the hierarchy in terms of traffic flow and speed are controlled-access highways; their defining characteristic is the control of access to and from the road, meaning that the road cannot be directly accessed from properties or other roads, but only from specific connector roads.
Road transport. A road is an identifiable route, way, or path between two or more places. [5] Roads are typically smoothed, paved, or otherwise prepared to allow easy travel; [6] though they need not be, and historically many roads were simply recognizable routes without any formal construction or maintenance. [7]
See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...
Road pricing was taken up in the central government programme in 2011 when the coalition members committed themselves to examine "the introduction of GPS-based road user charges". [51] Transport minister Merja Kyllönen set up a working group to study "road user charging systems" in October 2012. [52]