由于选民否决了当地一项为改善多个交通项目提供资金的措施，西南走廊轻轨项目 (Southwest Corridor Light Rail Project) 的设计工作于 2020 年暂停。2022 年初，Metro、TriMet 和联邦交通管理局 (Federal Transit Administration) 完成了最终环境影响声明 (FEIS) 并发布了决策记录 (ROD)，以确保该项目未来有资格获得联邦资助。要查看这些文档，请访问 Metro 的项目网站。
Overhead structures are required where there are existing freeways, streets and railroad tracks that the trackway must cross over. Some structures along the trackway will be major visual features in the community. The design of these structures will be guided by the overall project principles to better integrate with the community. Design work for these structures will take place over the next few years.
Major structures
Avoids impacts to vehicle circulation around this area and makes bus and light rail connections efficient with an easy and reliable connection to the Portland Transit Mall.
Avoids impacts to vehicle circulation around this area and provides ODOT flexibility for any future changes to the freeway interchange.
Avoids traffic impacts at this critical intersection. These improvements shift the I-5 off ramps, but do not reduce lanes on Pacific Hwy/99W.
Connects light rail from Tigard Triangle to Downtown Tigard. While currently not part of the project scope, an integrated multi-use pathway is a desired active transportation component. Both TriMet and the City of Tigard agree the multi-use pathway is a project betterment and will partner to be co-applicants for funding.
The Southwest Corridor Light Rail Project has committed to replacing the timber supported, 1934 Newbury and Vermont viaducts along Barbur Boulevard. The new structures are designed to carry four auto lanes, light rail, and improved bike and pedestrian facilities, creating a better experience for all modes. To protect the nearby natural areas, the viaduct design and construction methods used will minimize impact to the sensitive area, maintaining permeability of this rich and vital east-west habitat corridor and enhancing the view opportunities.
Cross section
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