A street network is a system of interconnecting lines and points (called ''edges'' and ''nodes'' in
network science
Network science is an academic field which studies complex networks such as telecommunication networks, computer networks, biological networks, Cognitive network, cognitive and semantic networks, and social networks, considering distinct eleme ...
) that represent a system of
street
A street is a public thoroughfare in a city, town or village, typically lined with Building, buildings on one or both sides. Streets often include pavements (sidewalks), pedestrian crossings, and sometimes amenities like Street light, streetligh ...
s or
road
A road is a thoroughfare used primarily for movement of traffic. Roads differ from streets, whose primary use is local access. They also differ from stroads, which combine the features of streets and roads. Most modern roads are paved.
Th ...
s for a given area. A street network provides the foundation for
network analysis Network analysis can refer to:
* Network theory, the analysis of relations through mathematical graphs
** Social network analysis, network theory applied to social relations
* Network analysis (electrical circuits)
See also
*Network planning and d ...
; for example,
finding the best route or creating
service areas.
[Wade, T. and Sommer, S. eds. ]
A to Z GIS
'
They greatly affect in-town movement and
traffic
Traffic is the movement of vehicles and pedestrians along land routes.
Traffic laws govern and regulate traffic, while rules of the road include traffic laws and informal rules that may have developed over time to facilitate the orderly an ...
. Street networks can become very complex in cities. Street networks are very often localized, because there is little non-highway transportation from town to town. The
U.S. Highway System is like a street network, but it is national, and consists of
highway
A highway is any public or private road or other public way on land. It includes not just major roads, but also other public roads and rights of way. In the United States, it is also used as an equivalent term to controlled-access highway, or ...
s instead of streets and roads.
See also
*
Braess's paradox
Braess's paradox is the observation that adding one or more roads to a road network can slow down overall road traffic, traffic flow through it. The paradox was first discovered by Arthur Cecil Pigou, Arthur Pigou in 1920, and Stigler's law of ep ...
*
Transport network
A transport network, or transportation network, is a network or graph in geographic space, describing an infrastructure that permits and constrains movement or flow.
Examples include but are not limited to road networks, railways, air routes ...
*
Highway dimension
*
International E-road network
The international E-road network is a numbering system for roads in Europe developed by the United Nations Economic Commission for Europe (UNECE). The network is numbered from E1 up and its roads cross national borders. It also reaches Central ...
*
Inca road system
*
Traffic analysis
Traffic analysis is the process of intercepting and examining messages in order to deduce information from patterns in communication. It can be performed even when the messages are encrypted. In general, the greater the number of messages observ ...
**
Traffic flow
In transportation engineering, traffic flow is the study of interactions between travellers (including pedestrians, cyclists, drivers, and their vehicles) and infrastructure (including highways, signage, and traffic control devices), with the ai ...
**
Permeability
*
Grid plan
In urban planning, the grid plan, grid street plan, or gridiron plan is a type of city plan in which streets run at right angles to each other, forming a grid.
Two inherent characteristics of the grid plan, frequent intersections and orthogon ...
*
List of cities that are inaccessible by road
References
{{Authority control
Network
Network, networking and networked may refer to:
Science and technology
* Network theory, the study of graphs as a representation of relations between discrete objects
* Network science, an academic field that studies complex networks
Mathematics
...
Road infrastructure
City layout models