WSDOT is working with local communities to design improvements at the existing Mellen Street interchange that will provide the following benefits:
Provide improved emergency access to the hospital;
- Add left turn lanes on Mellen St to the existing I-5 interchange on-ramps;
- Reduce traffic backups at the I-5 off-ramps to the Mellen St interchange;
- Enhance the City of Chehalis proposed connection of Louisiana way to Airport Road over the Airport Road dike, reducing congestion at Chamber Way; and
- Avoid negative impacts on Mellen Street businesses.