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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.
The street hierarchy is an urban planning technique for laying out road networks that exclude automobile through-traffic from developed areas. It is conceived as a hierarchy of roads that embeds the link importance of each road type in the network topology (the connectivity of the nodes to each other).
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 ...
Permeability is generally considered a positive attribute of an urban design, as it permits ease of movement and avoids severing neighbourhoods. Urban forms which lack permeability, e.g. those severed by arterial roads, or with many long culs-de-sac, are considered to discourage movement on foot and encourage longer journeys by car. There is ...
The PDF format is widely accepted and is considered the de facto standard for printable documents on the web. This means that users do not require the any proprietary plug-in to read geospatial PDFs created following the PDF 1.7 specification, which was published as ISO 32000-1 standard . [ 3 ]
An arterial road or arterial thoroughfare is a high-capacity urban road that sits below highways on the road hierarchy in terms of traffic flow and speed. [ 1 ] [ 2 ] The primary function of an arterial road is to deliver traffic from collector roads to highways or expressways , and between urban hubs at the highest level of service possible.
In the 1960s, traffic engineers and urban planners abandoned the grid virtually wholesale in favor of a "street hierarchy". This is a thoroughly "asymmetric" street arrangement in which a residential subdivision—often surrounded by a noise wall or a security gate —is completely separated from the road network except for one or two ...
The Gough Map, dating to about 1360, is the oldest known road map of Great Britain. In 1500, Erhard Etzlaub produced the "Rom-Weg" (Way to Rome) Map, the first known road map of medieval Central Europe. It was produced to help religious pilgrims reach Rome for the occasion of the "Holy Year 1500".