The closure is scheduled to begin Friday at 11:00 p.m. and end Monday at 5:00 a.m. During the closure, crews will be installing storm drainage infrastructure, completing electrical work to accommodate future lighting and signals, and laying concrete and asphalt in preparation for the widened on- and off-ramps at Mercer Street. This work is dependent on weather and the availability of materials, and is subject to cancellation. Please note that all South Lake Union businesses will remain open and be accessible via alternative routes.?Detour route maps are available on the project website at: www.seattle.gov/Transportation/ppmp_mercer.htm. Detour routes shown will be signed on roadways and may be heavily used, particularly Denny Way both eastbound and westbound.?During the ramps closure, the I-5 on-ramp at University Street will be concurrently closed to provide more efficient traffic flow around the closed Mercer Street exit lane. Fairview Avenue N will also be closed between Mercer Street and Valley Street, and Mercer Street will be closed to through traffic between Westlake Avenue N and Fairview Avenue N. Travelers are encouraged to carpool and use alternate modes of transportation.
Click here for more information on the Mercer Corridor Project.