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Dept. of Transportation Metro Transit Division King Street Center 201 S Jackson St Seattle, WA 98104 |
King County Right Size Parking Project
Introduction
Over-building of parking supply leads to increased automobile ownership, vehicle miles traveled, congestion and housing costs. In addition, it presents barriers to smart growth and efficient transit service. King County Metro has an interest in encouraging land uses, policies, and development that overcome these barriers and lead to communities that transit can serve efficiently and effectively. Parking supply and pricing often have a direct impact on jurisdiction’s ability to create compact, healthy communities. By providing locally credible and context-sensitive data on parking demand, our region has the opportunity to:
King County Metro has been awarded a grant in the FHWA Value Pricing Program to address the issues around multi-family residential parking supply in King County. The project will assemble local information on multi-family residential parking demand to guide parking supply and management decisions in the future. The project will also incent jurisdictions and developers for actions to reduce parking supply or to manage the supply through a range of tools. Parking CalculatorThe King County Right Size Parking Calculator estimates parking use for multi-family developments based on extensive field data collection. It is now available at www.rightsizeparking.org Who will benefit?Developers, public decision makers, and communities will all benefit from the outcome of this project. With updated context-sensitive information on parking demand, cities can regulate development in way that meets local and regional goals and developers can build more housing near transit and sell it for less. Contact Information:Metro Transit Division Daniel Rowe Parking CalculatorThe King County Right Size Parking Calculator is a map-based web tool that lets users estimate parking use for multi-family developments, in the context of specific sites. The calculator can help analysts, planners, developers, and community members weigh factors that will affect parking use at multi-family housing sites. It will help them consider how much parking is "just enough" when making economic, regulatory, and community decisions about development.
The Calculator is based on a model using current local data of actual parking use collected in 2012 at over 200 developments in urban and suburban localities in King County, Washington. The parking use data is correlated with factors related to the building, its occupants, and its surroundings- particularly transit, population and job concentrations. The user adjusts the scenario using variables related to the building and its location, including proximity to transit, jobs and population. Understanding the influence of these variables helps determine how much parking is "just enough" for a particular site. While it is intended to help support and guide parking supply and management decisions, it should not be viewed as a definitive answer. Rather, it should be seen as a resource to inform discussions, weigh the factors impacting parking demand, and help consider the proper provision of parking. You can access the calculator at: www.rightsizeparking.org Objectives
The Right Size Parking Project will achieve the following objectives through coordinated work with our partners and continual feedback from regional stakeholders including the Urban Land Institute and local jurisdictions. The project will:
Read the full scope and budget for the project. Next StepsRight Size Parking is undertaking a series of demonstration projects that build on the research and analysis phase of the project, transforming key findings and concepts into real-world applications. Demonstration projects include:
Project Deliverables
PartnersWe would like to thank the following partners: 
Links to Related Research
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