2008 Service Implementation Plan
Sound Transit’s Service Implement Plan (SIP) is its annual planning document for the development of ST Express bus, Sounder commuter rail and Tacoma Link light rail service.
The 2008 SIP, approved by the Sound Transit Board in December 2007 after public review, implements service changes that serve new park-and-ride facilities, respond to ridership growth, improve productivity, and move toward voter-approved service levels.
The SIP, updated annually, makes five-year service planning forecasts. The service planning team works closely with the public as it proposes upcoming service schedules. SIP planning also is measured by current performance and by an outside analysis, Comprehensive Operational Analysis, which takes place every three years.
Key elements approved in the 2008 SIP include more Sounder commuter rail service on both the north and south lines; changes and additions to ST Express bus service to serve new park-and-ride facilities; and later weeknight service on Tacoma Link light rail. It also includes a report on the status of each route and performance objectives for the upcoming year, including ridership and productivity targets.
Sound Transit service changes approved for 2008 are included in the 2008 SIP Executive Summary below. More detail, background and analysis are available in the full SIP.
Current Materials
Read the 2008 SIP Executive Summary (PDF, 36KB)
Read the complete 2008 Service Implementation Plan (PDF, 2MB)
Materials from Previous Years
2007 Service Implementation Plan (Executive Summary)
2006 Service Implementation Plan (Executive Summary)
2005 Service Implementation Plan (Executive Summary)
Next year’s Draft 2009 SIP will be posted online in early September 2008, when public outreach for review and feedback of the Draft SIP begins. Notice of the public hearing process is advertised and will appear on this site.
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