Overview
In this project crews planted more than 60,000 trees and shrubs along the SR 18 roadside. The planting restored 63 acres of roadside affected by SR 18 widening between Maple Valley and Issaquah Hobart.
 | Improves Safety
The new trees and shrubs will provide permanent erosion control and stabilize hillsides near the highway and will provide a buffer between the highway and adjacent properties.
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 | Protects Environment
The extensive planting restores the roadside affected by the recent SR 18 widening project. Native trees and shrubs will help to restore the rural character of the roadway, control erosion, provide a vegetated buffer between the highway and adjacent properties, and can serve as wildlife habitat and corridors.
Work in the stream and wetland sites will ensure these areas will grow and establish successfully into sustainable areas.
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Partnerships & Cooperation
We consulted with local tribes in the entire project corridor during the highway construction phase. Because of that earlier effort no additional consultation was required.
Funding
This project was funded through the following fund sources:
• 2003 Gas Tax (Nickel Funding) - $1.95 million
• Other funds - $4.38 million
Total funding from all sources - $6.3 million
Contact Us
Contact:
Mike Askarian, Construction Project Engineer
WSDOT Corson Project Office
6431 Corson Ave S.
Seattle, WA 98108
Phone: 206.768.5860
E-mail: AskariM@wsdot.wa.gov
Greg Phipps, WSDOT Communications
15700 Dayton Avenue North
PO Box 330310, MS: 103
Seattle, WA 98133
Phone: 206.440.4702
E-mail: phippsg@wsdot.wa.gov
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