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Sound Transit 2 Line Extension Across I-90 Floating Bridge

Under construction · Washington · Last reported May 2025

Source: The Urbanist

Project
Under Construction

The project involves extending the Sound Transit 2 Line light rail across the I-90 floating bridge between Mercer Island and Seattle's Judkins Park stations. It includes system integration testing, addressing construction defects, and managing unique electrical and structural challenges of the floating bridge. The project aims to connect Seattle and the Eastside with light rail service, increasing

Status
Under Construction
Sector
Rail, Bridge, Government
Location
Seattle, Washington, United States of America
Updated
22 Jul 2026
Source
The Urbanist

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Project Information

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The project “Sound Transit 2 Line Extension Across I-90 Floating Bridge” is an infrastructure initiative in the Rail sector, located in Seattle, Washington, United States. Taiyo aggregates data on it from The Urbanist.

Participants

Sponsoring Agency

Status

Original status

Under Construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The project involves extending the Sound Transit 2 Line light rail across the I-90 floating bridge between Mercer Island and Seattle's Judkins Park stations. It includes system integration testing, addressing construction defects, and managing unique electrical and structural challenges of the floating bridge. The project aims to connect Seattle and the Eastside with light rail service, increasing transit capacity and service frequency.

Original sector

Transportation

Location

Country

United States of America (USA)

State

Washington

City

Seattle

Source

Source

The Urbanist

URL

More Details

Record type

Project

Sector

Rail, Bridge, Government

Article published date

2025-05-25

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