Traffic Advisory: I-90 on-ramps at SR 18 Interchange to Close Nightly Sept. 25-29 for Construction

The City of Snoqualmie has announced that the I-90 on-ramps at the SR 18 interchange will be closed nightly from September 25 to 29 due to construction work. The Washington State Department of Transportation (WSDOT) is implementing a new diverging diamond interchange design, which aims to enhance traffic flow and improve safety for drivers. Residents who use this route during nighttime hours are urged to factor in the potential for delays and to plan their trips accordingly. The city emphasizes community awareness and communication throughout the construction process to minimize inconvenience. With this project, officials hope to address increasing traffic demands and modernize the area’s infrastructure.

The advisory reflects the city’s commitment to transparency and proactive planning as it navigates essential improvements. Local authorities are prepared to provide updates as the work progresses and will monitor the situation closely. This construction is a vital step towards ensuring a more efficient and safer transportation network in Snoqualmie.