Navigating Multi-Agency NEPA Processes to Advance Multimodal Transportation Projects (2016) / Chapter Skim
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Pages 99-104
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K-1 A P P E N D I X K Summary Project Description East Link is an 18-mile extension of the Link light rail system in the Puget Sound region. The project, which will relocate the existing high-occupancy vehicle (HOV)
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K-2 • Segment A: Seattle (International District Station) to South Bellevue in the center lanes of I-90 • Segment B: South Bellevue to SE 6th Street • Segment C: Downtown Bellevue -- SE 6th Street to 116th Avenue NE or BNSF railroad and NE 12th Street • Segment D: 116th Avenue NE to Overlake Transit Center (NE 40th Street and SR 520)
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K-3 the floating bridge. This project is the first known rail operation on a floating bridge, and thus inherently presents construction and operation risk.
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K-4 NEPA Process/Approach Although the project is complex due to its length and the number of alignment alternatives, the NEPA process was fairly straightforward. The four main agencies -- Sound Transit, WSDOT, FTA, and FHWA -- had worked together in the past on transit/highway alignment projects, and thus were accustomed to coordinating and anticipating the issues of importance to each agency.
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K-5 around the purpose and need statement reflected a desire to keep transportation options open, as there was some hesitancy to proceed with the project because of the shift of lane capacity on I-90 in Segment A This project is tied closely to the I-90 HOV lane project, which will replace the HOV capacity lost to light rail by converting the shoulders to an additional lane that will accommodate HOV traffic.
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K-6 Lessons Learned The following approaches helped resolve challenges in an efficient manner, and mitigated additional issues: Begin coordination early. Sound Transit included WSDOT and FHWA as partners early on in the project, allowing the agencies to work through any issues, especially related to traffic and ridership projections along Segment A of the East Link corridor.
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