I-90 - Two-Way Transit and HOV Operations - October to December 2007

Dec. 2007 - Building a bioswale near Bellevue Way. A bioswale is a type of engineered wetland that filters runoff from the freeway and helps protect the environment.


Dec. 2007 - Paving the widening sections along the right shoulder of westbound I-90 near 77th Avenue SE.


Dec. 2007 - Paving the widening of the Bellevue Way HOV ramp.


Nov. 2007 - Steel reinforcement for the bottom slab and interior walls of the new HOV ramp at 80th Avenue SE on Mercer Island.


Nov. 2007 - Constructing new barrier along the right shoulder of westbound I-90.


Oct. 2007 - Paving the widening sections along the right shoulder of westbound I-90, west of East Mercer Way.


Oct. 2007 - Installing steel reinforcement for new concrete barrier along the right shoulder of westbound I-90.


Oct. 2007 - Demolishing the existing bridge barrier where the new westbound I-90 HOV exit ramp will connect into the existing 80th Avenue SE bridge. We're doing this work during the day to limit nighttime noise.


Oct. 2007 - A worker constructs a grout pad on the pier that will support the new westbound I-90 HOV exit ramp at 80th Avenue SE. The girders that form the framework of the ramp will rest on these pads.


Oct. 2007 - A view of the widening section along the right shoulder of westbound I-90, taken from the East Mercer Way ramp.