Overview
To preserve the roadways and to improve the driving surface, a Bituminous Surface Treatment (BST), also known as a chip seal, was applied. It is a flexible, protective surface of asphalt emulsion and gravel that is applied to existing or repaired pavement. The following highways were resurfaced under this project: one mile of SR-20 in Stevens County, 28 miles of SR 20 in Pend Orielle County, 39 miles of SR 23 in Whitman County, 12 miles of SR 26 in Whitman County, 11 miles of SR 27 in Whitman County, 27 miles of SR 31 in Pend Oreille County, 19 miles of SR 272 in Whitman County, and segments of local streets witin the towns of Newport, Lamont, Garfield, Metaline, and Palouse.
 | Economic Incentive
The chip-seal layer preserves the underlying roadway structure thus avoiding the high-cost of rebuilding the highway.
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Partnerships & Cooperation
WSDOT addresses the concerns of tribal nations using the process outlined in Section 106 of the National Historic Preservation Act and the WSDOT Tribal Consultation Policy adopted in 2003 by the Transportation Commission as part of the WSDOT Centennial Accord Plan.
Funding
This project was funded through:
Pre-Existing State Gas Tax Funds - $6.5 million
Total Funding From All Sources - $6.5 million
Contact Us
Al Gilson, Communications manager
WSDOT Eastern Region
2714 N. Mayfair
Spokane, WA 99207
(509)324-6015
gilsona@wsdot.wa.gov
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