Accessibility - Revision history

Olav: /* Factors that influence accessibility */

2013-08-20T09:31:54Z

Factors that influence accessibility

Albert at 15:57, 30 January 2013

2013-01-30T15:57:16Z

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2013-01-30T14:53:58Z

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Albert at 11:58, 17 December 2012

2012-12-17T11:58:20Z

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2012-12-07T09:21:06Z

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Gerdien at 16:57, 27 November 2012

2012-11-27T16:57:30Z

Gerdien: /* Mathematical approach */

2012-11-27T16:56:05Z

Mathematical approach

Gerdien: /* Definition */

2012-11-27T16:55:42Z

Definition

Albert: Text replace - " " to " "

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Gerdien at 12:40, 9 October 2012

2012-10-09T12:40:32Z

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 Transportation demand refers to the amount of mobility and accessibility people would consume under various conditions. Transportation activity refers to the amount of [[mobility]] and accessibility people actually experience. [[modes of transport|Transportation options]] or [[modes of transport]] refer to the quantity and quality of transport modes and services available in a particular situation. Improving the quality and quantity of the modes of transportation means improving accessibility<ref>Ibid (1)</ref>. [[Robustness]] of the transportation network has an influence on the accessibility.
-Sometime, a particular factor significantly affects accessibility. For example, inadequate information or poor security around [[Infrastructure#Terminals|public transport terminals]] can constrain public transport use (potential riders don’t know how to use it or have exaggerated fears of discomfort and [[risk]])<ref>Ibid (1).</ref>.
+Sometime, a particular factor significantly affects accessibility. For example, inadequate information or poor security around [[Transport Infrastructure|public transport terminals]] can constrain public transport use (potential riders don’t know how to use it or have exaggerated fears of discomfort and [[risk]])<ref>Ibid (1).</ref>.
 ==Related subjects==

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 {{references}}
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 [[Category:Mobility]]
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 With '''accessibility''' we mean how well a certain area can be reached.

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 [[Category:Mobility]]
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-= Accessbility =
 With '''accessibility''' we mean how well a certain area can be reached.

← Older revision		Revision as of 09:21, 7 December 2012
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	Also for security, accessibility is important. A city with a good accessibility has good possibilities to get emergency services to an incident location, or to get people quickly out of the area in case of any danger.		Also for security, accessibility is important. A city with a good accessibility has good possibilities to get emergency services to an incident location, or to get people quickly out of the area in case of any danger.


	== Factors that influence accessibility ==		== Factors that influence accessibility ==

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 Accessibility (or just access) in [[transportation]] planning refers to the ease of reaching goods, services, activities and destinations, which together are called opportunities <ref>From: Litman, T., Evaluating accessibility of transport planning, 2011. URL: http://www.vtpi.org/access.pdf retrieved on April 11, 2012.</ref>. For example, is there sufficient road capacity and are there sufficient parking spaces? Are there good options for public transport? What is the average travel time to reach the centre?
 Access to these locations is the goal of [[mobility]]. The ease of reaching these locations is determined by sufficient road capacity and sufficient parking spaces. Accessibility can be defined in terms of  potential  (opportunities that could be reached) or in terms of  activity  (opportunities that are  reached)<ref>Ibid.</ref>.
+=== Other meanings ===
+The words accessibility  and  access  can have various meanings and implications<ref>Ibid (1)</ref>.
+* In the physical design of urban objects, such as transport modes or buildings, accessibility is described as [[access and egress]] which is the rate or means of entry or exit of an urban object.
+* In roadway engineering, access  refers to connections to adjacent properties.  Limited access roads have minimal connections to adjacent properties, while local roads provide direct access. Access management involves controlling the number of intersections and driveways on a highway.
+* In the fields of geography and urban economics, accessibility refers to the relative ease of reaching a particular location or area.
+* In pedestrian planning and facility design  accessible design  (also called universal design ) refers to facilities designed to accommodate people with disabilities. For example, a pathway designed to accommodate people in wheelchairs may be called accessible.
+* In social planning,  accessibility  refers to people’s ability to use services and opportunities.
 == Mathematical approach ==
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 Also for security, accessibility is important. A city with a good accessibility has good possibilities to get emergency services to an incident location, or to get people quickly out of the area in case of any danger.
-=== Other meanings ===
-The words accessibility  and  access  can have various meanings and implications<ref>Ibid (1)</ref>.
-* In the physical design of urban objects, such as transport modes or buildings, accessibility is described as [[access and egress]] which is the rate or means of entry or exit of an urban object.
-* In roadway engineering, access  refers to connections to adjacent properties.  Limited access roads have minimal connections to adjacent properties, while local roads provide direct access. Access management involves controlling the number of intersections and driveways on a highway.
-* In the fields of geography and urban economics, accessibility refers to the relative ease of reaching a particular location or area.
-* In pedestrian planning and facility design  accessible design  (also called universal design ) refers to facilities designed to accommodate people with disabilities. For example, a pathway designed to accommodate people in wheelchairs may be called accessible.
-* In social planning,  accessibility  refers to people’s ability to use services and opportunities.
 == Factors that influence accessibility ==

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 == Mathematical approach ==
-A measure that is often used is to measure accessibility in a traffic zone ''j'' is<ref>From: http://en.wikipedia.org/wiki/Accessibility#Transportation, retrieved on April 11, 2012.</ref>:
+A formula that is often used is to measure accessibility in a traffic zone ''j'' is<ref>From: http://en.wikipedia.org/wiki/Accessibility#Transportation, retrieved on April 11, 2012.</ref>:
 <math> Accessibility_j  = \sum_j {Opportunities_j } \times f\left( {C_{ij} } \right) </math>

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 * [[Access and egress]]
 * [[Robustness]]
 {{references}}