To preserve the roadway and to improve the driving surface, a Bituminous Surface Treatment (BST), also known as a chip seal, will be applied. It is a flexible, protective surface of asphalt emulsion and gravel that is applied to existing or repaired pavement.
The work included the following highway sections:
SR 20/Narcisse Rd. to Spruce Canyon Rd. (MP 363-372)
SR 21/Keller Ferry to Republic (MP 106-160)
SR 23/Lords Creek Rd. to Harrington (MP 54-66)
SR 25/Bossburg to Canada (MP 95-121)
SR 28/Harrington to Davenport (MP 118-131)
SR 206/Bruce Rd. to Mt. Spokane State Park Entrance (MP 3-15)
SR 261/ Sutton to Ritzville (MP 45-62)
SR 291/Wylie Dr. to SR 231 (MP 14-33)
| Economic Incentive
Chip-sealing extends the life of the roadway preserving the citizens investment.
Partnerships & Cooperation
WSDOT seeks to address the concerns of tribal nations using the process outlined in section 106 of The National Historical Preservation Act and the WSDOT Tribal Consultation Policy adopted in 2003 by the Transportation Commission as part of the WSDOT Centennial Accord Plan.
Federal Funds = $2,178,000
State Funds = 6,634,000
Total = $8,812,000
Al Gilson, Public Information Officer
WSDOT Eastern Region
2714 N. Mayfair
Spokane, WA 99207
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