27 Facts About Street grid

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.

Tradition of Street grid plans is continuous in China from the 15th century BC onward in the traditional urban planning of various ancient Chinese states.

Street grid's conquests were a step in the propagation of the grid plan throughout colonies, some as far-flung as Taxila in Pakistan, that would later be mirrored by the expansion of the Roman Empire.

The Greek grid had its streets aligned roughly in relation to the cardinal points and generally looked to take advantage of visual cues based on the hilly landscape typical of Greece and Asia Minor.

The Roman Street grid was similar in form to the Greek version of a Street grid but allowed for practical considerations.

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Under Roman guidance, the Street grid was designed for efficiency and interchangeability, both facilitated by and aiding the expansion of their empire.

Medieval European new towns using Street grid plans were widespread, ranging from Wales to the Florentine region.

The Street grid pattern was widely copied in the colonies of British North America.

Peculiarity of 'lines' naming in this grid is that are each side of street has its own number, so one 'line' is a side of a street, not the whole street.

An exception to the typical, uniform Street grid is the plan of Savannah, Georgia, known as the Oglethorpe Plan.

One of the main advantages of the Street grid plan was that it allowed the rapid subdivision and auction of a large parcel of land.

The Eixample Street grid introduced innovative design elements which were exceptional at the time and even unique among subsequent Street grid plans:.

One famous Street grid system is in the British new town of Milton Keynes.

Each Street grid road was spaced roughly one kilometre along from the next, forming squares of approximately one square kilometre.

Street grid width is determined by circulation and aesthetic considerations and is not dependent on the pattern configuration.

An inherent advantage of the orthogonal geometry of a proper Street grid is its tendency to yield regular lots in well-packed sequences.

John Randal said Manhattan's Street grid plan facilitated "buying, selling and improving real estate".

The Street grid is thus a geometric response to our human physiology.

The Street grid represents a rationalist, reductionist solution to a multifaceted issue.

However, frequent intersections as they occur in a regular Street grid would pose an obstacle to their effective application.

Since the grid plan is non-hierarchical and intersections are frequent, all streets can be subject to this potential reduction of average speeds, leading to a high production of pollutants.

Street grid's research provided the groundwork for traffic calming and for several initiatives such as living streets and Home Zones, all of which are aimed at improving a street's social milieu.

Key characteristic of the grid pattern is that any and all streets are equally accessible to traffic and could be chosen at will as alternative routes to a destination.

Geometry of the normal, open grid is evidently unsuitable for protecting or enhancing the social environment of a street from the negative influence of traffic.

The open, uniform Street grid could be seen as an example of undifferentiated permeability.

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The findings indicate that the open grid streets showed substantially lower play activity than the cul-de-sac street type.

One of the greatest difficulties with Street grid plans is their lack of specialization, most of the important amenities being concentrated along the city's main arteries.