Crews have started paving a section of a new northbound I-405 on-ramp in
Renton.
Crews are installing a sign base on
I-405 in Renton.
How will we address long-term solutions on I-405?
WSDOT worked with cities, counties, federal agencies, transit agencies and community groups to develop consensus for a long-term vision for the multi-modal redevelopment of I-405. This effort culminated in a three-year environmental impact statement (EIS) development process that outlines transit, roadway and environmental investments including more than 300 improvements. The EIS received approval with the Record of Decision in October 2002 and now serves as a corridor master plan. WSDOT continues to work with local communities and transit agencies to improve I-405.
What has the I-405 Corridor Program accomplished to date?
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Since the master plan for I-405 improvements was adopted in 2002, the strategy has been to fund groups of projects that directly address the worst congestion chokepoints first, coordinating all transportation modes into a working system. With the 2003 Nickel and 2005 Transportation Partnership Account, the state has invested nearly $1.5 billion into the corridor. At this date, one of three Nickel-funded projects is complete (Kirkland Nickel Stage 1) and two are under construction (South Bellevue Widening and Renton Stage 1 - Widening). Of the TPA-funded projects, two are under construction (NE 10th Street Bridge-Stage 2 and Renton Stage 2 - Widening) and one is in the design stage (NE 8th Street to SR 520 Improvement project).
The End Result: Every Trip Faster and Safer
Today, I-405 carries 800,000 people each day. As each constructed project builds toward the the master plan, more people are accommodated. With a completed master plan, I-405 will carry approximately 1,540,000 people each day (an additional 640,000 people).
The master plan creates about 1,700 new vanpools, increases transit service by 50 percent, builds 5,000 new park-and-ride spaces and accommodates a new bus rapid transit system with stations and stops. Stormwater runoff and salmon habitat will be significantly improved. The result: Every trip on the I-405 corridor will be faster and safer.
What projects are currently unfunded?
The Renton to Bellevue Project and the Tukwila to Renton Improvement Project (currently in the environmental process) remain unfunded. These projects are part of the I-405 master plan and will be constructed as funding becomes available.
Current funded I-405 improvement projects underway include:
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