Whatcom County Maintenance and Operations maintains approximately 940 miles of the county road system by preventing, reducing, or restoring deterioration of the roadway infrastructure through road surface and roadway structure management. Work items include:
Chip Seal (also called seal coating, or Bituminous Surface Treatment) is the application of a special protective wearing surface to an existing pavement.
Fog Sealing is a road treatment that is applied following Chip Seal treatment that protects the roadway from wear and extends the life of roads throughout Whatcom County.
Every year Whatcom County re-stripes over 1,300 lane miles of county roadway. This fresh coat of reflective paint enables drivers to more clearly see their lane of travel during dark or rainy conditions.
Whatcom County uses Best Management Practices to protect habitat, waterways, and drinking water sources.