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Tuesday, August 18, 2009

Sound Transit update: Yale Avenue on-ramp wall construction

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The weekend of August 22-23, Sound Transit crews in the Seattle area will install a temporary wall comprised of interlocking metal sheets called sheet piles. The sheet pile wall will be about 60 feet long by 20 feet high and will be vibrated into place along the shoulder of southbound I-5 next to the Pike-Pine reversible HOV ramp. The Yale Avenue on-ramp to southbound I-5 and the right lane of southbound I-5 between Yale Avenue and Union Street will close from 8:00 a.m.- 11:00 p.m. on August 22 and from 8:00a.m.-1:00p.m.on August 23 to create a safe work zone during the sheet pile wall installation. The off-ramp from southbound I-5 to Union Street will remain open. This work is anticipated to take up to two days to complete. 


The wall is being installed to create a barrier between drivers and the construction site when the concrete wall between I-5 and the Pike-Pine Reversible HOV lane is disassembled to accommodate for construction for the new University Link Light Rail tunnels. Crews will rebuild the existing wall prior to removing the sheet piles.


University Link (U-Link) is a 3.15-mile light rail extension that will run in twin-bored tunnels from downtown Seattle north to the University of Washington, with stations at Capitol Hill and on the University of Washington campus near Husky Stadium. 


U-Link is projected to add 70,000 daily riders to the Link system, bringing total daily ridership to 286,000 by 2030. Construction of U-Link will occur over the next seven years, with passenger service beginning in 2016.

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