Scenario planning - Revision history

Leeor at 22:42, 19 February 2017

2017-02-19T22:42:16Z

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	==Scenario Planning Tools==		==Scenario Planning Tools==
	Various scenario planning tools can be found at [[:Category:Scenario planning tools]]. These tools can help with with a variety of tasks including data retrieval and data calculation and analysis.		Various scenario planning tools can be found at [[:Category:Scenario planning tools]]. These tools can help with with a variety of tasks including data retrieval and data calculation and analysis.
	Tools can also be found at the [~~http://www.planningtoolexchange.org/tool/index~~ Planning Tool Exchange] Hosted by the Orton Family Foundation.		Tools can also be found at the [[Planning Tool Exchange]] Hosted by the Orton Family Foundation.

	==Further Reading==		==Further Reading==

Leeor at 22:41, 19 February 2017

2017-02-19T22:41:17Z

← Older revision		Revision as of 22:41, 19 February 2017
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	==Scenario Planning Tools==		==Scenario Planning Tools==
	Various scenario planning tools can be found at [[:Category:Scenario planning tools]]. These tools can help with with a variety of tasks including data retrieval and data calculation and analysis.		Various scenario planning tools can be found at [[:Category:Scenario planning tools]]. These tools can help with with a variety of tasks including data retrieval and data calculation and analysis.
			Tools can also be found at the [http://www.planningtoolexchange.org/tool/index Planning Tool Exchange] Hosted by the Orton Family Foundation.

	==Further Reading==		==Further Reading==

Leeor: added FHWA info

2017-02-19T17:47:53Z

added FHWA info

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	Scenario planning exists in a broader context (begin with the origins of military planning and moving mostly towards business and environmental planning)<ref>Wikipedia: Scenario planning https://en.wikipedia.org/wiki/Scenario_planning</ref>. There are many applications for scenario planning in the context of transit as well.		Scenario planning exists in a broader context (begin with the origins of military planning and moving mostly towards business and environmental planning)<ref>Wikipedia: Scenario planning https://en.wikipedia.org/wiki/Scenario_planning</ref>. There are many applications for scenario planning in the context of transit as well.

			The [[FHWA]] discusses scenario planning int he context of transportation planning, defining it as "an analytical tool that can help transportation professionals prepare for what lies ahead. Scenario planning provides a framework for developing a shared vision for the future by analyzing various forces (e.g., health, transportation, economic, environmental, land use, etc.) that affect growth. Scenario planning, which can be done at the statewide level or for metropolitan regions, tests various future alternatives that meet state and community needs. A defining characteristic of successful public sector scenario planning is that it actively involves the public, the business community, and elected officials on a broad scale, educating them about growth trends and trade-offs, and incorporating their values and feedback into future plans."<ref> FHWA. Scenario Planning. https://www.fhwa.dot.gov/planning/scenario_and_visualization/scenario_planning/index.cfm. Accessed 19 February 2017</ref>

	Transit has wide reaching effects on an urban area. Scenario planning allows for a more deliberative consideration of what those effects might be and hence steer agencies toward a most desired course of action.		Transit has wide reaching effects on an urban area. Scenario planning allows for a more deliberative consideration of what those effects might be and hence steer agencies toward a most desired course of action.
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	==Scenario Planning Tools==		==Scenario Planning Tools==
	Various scenario planning tools can be found at [[:Category:Scenario planning tools]]. These tools can help with with a variety of tasks including data retrieval and data calculation and analysis.		Various scenario planning tools can be found at [[:Category:Scenario planning tools]]. These tools can help with with a variety of tasks including data retrieval and data calculation and analysis.

			==Further Reading==
			*[[FHWA]] Scenario Planning page https://www.fhwa.dot.gov/planning/scenario_and_visualization/scenario_planning/index.cfm\

	==References==		==References==
	<references />		<references />

Leeor at 01:17, 10 February 2017

2017-02-10T01:17:14Z

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	===3. Potential Scenarios===		===3. Potential Scenarios===
	[[File:Scenario planning diagram.jpg\|thumb]]		[[File:Scenario planning diagram.jpg\|thumb\|500px\|This diagram offers a visual of the inputs they may be used when establishing a new transit scenario and the indicators that may be evaluated to determine its efficacy]]
	Transit agencies need to decide what potential options for new projects, cuts, or switches are. Knowing the limits of their funding and have some knowledge of their system. Agencies determine a handful of potential scenarios of what the altered system might look like.		Transit agencies need to decide what potential options for new projects, cuts, or switches are. Knowing the limits of their funding and have some knowledge of their system. Agencies determine a handful of potential scenarios of what the altered system might look like.

Leeor at 01:10, 10 February 2017

2017-02-10T01:10:49Z

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	===3. Potential Scenarios===		===3. Potential Scenarios===
			[[File:Scenario planning diagram.jpg\|thumb]]
	Transit agencies need to decide what potential options for new projects, cuts, or switches are. Knowing the limits of their funding and have some knowledge of their system. Agencies determine a handful of potential scenarios of what the altered system might look like.		Transit agencies need to decide what potential options for new projects, cuts, or switches are. Knowing the limits of their funding and have some knowledge of their system. Agencies determine a handful of potential scenarios of what the altered system might look like.

Leeor at 01:05, 10 February 2017

2017-02-10T01:05:08Z

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	==Challenges with scenario planning==		==Challenges with scenario planning==
	In the past, drafting scenarios and calculating their potential impacts required a lot of time. Current tools help to reduce that effort. Scenarios can only be as accurate as the data that is in place and as projections it is given. For example, TriMet’s orange line project has attracted fewer riders than it anticipated because of certain inaccurate projections. Some elements, such as total transit shed, are likely to be reliable because there are few external implications. However, even projections on the communities served can fail to account for the time it takes to implement projects and the possibility of shifting populations.		In the past, drafting scenarios and calculating their potential impacts required a lot of time. Current tools help to reduce that effort. Scenarios can only be as accurate as the data that is in place and as projections it is given. For example, TriMet’s orange line project has attracted fewer riders than it anticipated because of certain inaccurate projections<ref>Njus, Elliot. "MAX Orange Line riders aren't showing up as predicted". ''The Oregonian''. 13 October, 2016. http://www.oregonlive.com/commuting/index.ssf/2016/10/max_orange_line_riders_arent_s.html</ref>. Some elements, such as total transit shed, are likely to be reliable because there are few external implications. However, even projections on the communities served can fail to account for the time it takes to implement projects and the possibility of shifting populations.

	==Scenario Planning Tools==		==Scenario Planning Tools==

Leeor at 01:02, 10 February 2017

2017-02-10T01:02:22Z

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	~~{{edit queue~~		Scenario planning arises from the need to look at a complicated system with many variables and decide a course of action.
	~~\|editor=Leeor~~
	}}

	Various scenario planning tools can be found at [[:Category:Scenario planning tools]]		Scenario planning exists in a broader context (begin with the origins of military planning and moving mostly towards business and environmental planning)<ref>Wikipedia: Scenario planning https://en.wikipedia.org/wiki/Scenario_planning</ref>. There are many applications for scenario planning in the context of transit as well.

			Transit has wide reaching effects on an urban area. Scenario planning allows for a more deliberative consideration of what those effects might be and hence steer agencies toward a most desired course of action.

			__TOC__
			==Scenario Planning Process==
			===1.Cause of new scenarios===
			To decide which scenarios to test and what possible outcomes they may produce, it is useful to first take account of what is driving change in the system. Some examples may include:
			*Opportunities for expansion
			**Ex. approval of a grant or additional revenue that allows for a new bus line or subway line
			*A need for service cuts
			**Ex. reduced budget that requires removing a line or reducing its service frequency
			*A desire to shift service outcomes
			**Ex. a neighborhood is not accessible to transit and the agency is exploring ways to reach it.
			*External circumstances change the function of a transit system
			*Ex. projection of a population boom, or population shifts that push certain communities to different parts of town.

			Often there are multiple drivers that need to be addressed at the same time. For example, when TriMet built the orange line, it was both an opportunity for expansion and a reaction to an anticipated population boom in Milwaukee over the next 20 years.<ref> TriMet. Portland-Milwaukee Light Rail project fact sheet. 2014. https://trimet.org/pdfs/pm/Fact-sheets-timelines/PMLR_Fact_Sheet_June2014.pdf</ref>

			===2. Outcomes to evaluate===
			One of the advantages of looking at scenarios, especially in the age of modeling technology, is the ability to see how a variety of variable change and interact with each other as options shift. However, agencies must choose which variable they wish to track, both in order to know to input those variables, and track how they shift. Some variables that transit agencies often care about include:
			*Total system ridership
			*Ridership on specific lines, broken up by time of day, day of week, time of year, and compared with capacity
			*Total regional transit shed
			*Travel time between certain key points that have been identified
			*Transit access in different communities, paying particular attention to access in communities with a concentration of protected classes, ie. communities of color and low income communities (Title VI)
			*Proximity of transit system to essential services (schools, grocery stores, employment centers, etc.)

			===3. Potential Scenarios===
			Transit agencies need to decide what potential options for new projects, cuts, or switches are. Knowing the limits of their funding and have some knowledge of their system. Agencies determine a handful of potential scenarios of what the altered system might look like.

			===4. Running the scenarios===
			Once various options have been decided on, the scenario is run. Some technologies today allow transit systems to run scenarios in minutes. In this context, running the scenario means inputting one of the options letting the software calculate the potential outcomes.

			===5. Analyzing the scenario===
			Results can come in the form of summary statistics, heat maps, and more. If the agency established some specific goals ahead of time, with regard to what positive changes they wish to see and what negative changes they wish to avoid, they can evaluate the extent to which a scenario meets those goals. Furthermore, they can run multiple scenarios and determine which one has the best overall effect. An agency can also look at a test scenario’s results and identify unanticipated problems.

			===6. Developing new scenarios===
			If none of the scenarios adequately meet the goals of the transit agency, or unanticipated problems arise that offer new insights on alternative plans, and agency may choose to develop a new set of scenarios and repeat the process until they can find satisfactory results.

			==Benefits of scenario planning==
			Scenario planning allows an agency to evaluate the effect of multiple changes on a system. For example, a scenario may include building a subway line, removing multiple bus lines, rerouting a number of buses, and changing the service frequency on several others. That scenario can be built into a system to evaluate its effects.

			==Challenges with scenario planning==
			In the past, drafting scenarios and calculating their potential impacts required a lot of time. Current tools help to reduce that effort. Scenarios can only be as accurate as the data that is in place and as projections it is given. For example, TriMet’s orange line project has attracted fewer riders than it anticipated because of certain inaccurate projections. Some elements, such as total transit shed, are likely to be reliable because there are few external implications. However, even projections on the communities served can fail to account for the time it takes to implement projects and the possibility of shifting populations.

			==Scenario Planning Tools==
			Various scenario planning tools can be found at [[:Category:Scenario planning tools]]. These tools can help with with a variety of tasks including data retrieval and data calculation and analysis.

			==References==
			<references />

Leeor at 23:22, 9 February 2017

2017-02-09T23:22:34Z

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	Various scenario planning tools can be found at [[Category:Scenario planning tools]]		Various scenario planning tools can be found at [[:Category:Scenario planning tools]]

Leeor: Created page with "{{edit queue |editor=Leeor }} Various scenario planning tools can be found at Category:Scenario planning tools"

2017-02-09T23:22:16Z

Created page with "{{edit queue |editor=Leeor }} Various scenario planning tools can be found at Category:Scenario planning tools"

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Various scenario planning tools can be found at [[Category:Scenario planning tools]]