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2/21/2018
Sound Transit has chosen Siemens to supply 13 traction power substations and two medium-voltage substations for the Northgate and East Link light-rail extensions.The company also will provide a cross-passage tunnel tie station on the extensions and upgrade an existing substation it supplied in 2008. Siemens previously provided the same substation infrastructure on the University Link and South link extensions, company officials said in a press release. Financial details of the most recent order weren't disclosed.The 4.3-mile Northgate extension is slated to open in 2021, while the 14-mile East Link will open in 2023.In May 2017, Sound Transit tapped Siemens to supply 30 light-rail vehicles, expanding on an earlier order for 122 units. The city of Seattle also uses Siemens software that syncs and manages its traffic.