Standards, Specifications and Manuals

• WSDOT Engineering Publications Online Technical Manual Library
• FHWA National Highway Specifications
• FHWA Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects

Geology, Soils, Water Resources and Climate

• Washington Geologic Maps & Reports from US Geological Survey and Washington State Division of Geology and Earth Resources
• Washington Soil Surveys (USDA)
• FEMA Hazard Maps
• Water Resources of Washington State (USGS)
• Water Supply Bulletins (Washington Department of Ecology)
• Coastal Zone Atlas Slope Stability Maps (Washington Department of Ecology)
• Digital Coastal Atlas (Washington Department of Ecology)
• University of Washington, Department of Atmospheric Sciences. Northwest Observational Data
• NOAA Online Weather Data (NOWData)

Legal Resources - Washington

• Revised Code of Washington
• Washington Administrative Code
• Washington State Legislative Documents

Legal Resources - Federal

• Code of Federal Regulations
• U.S. Code
• Federal Register
• Federal Regulations and Federal Actions

Safety

• Washington Department of Labor and Industries Safety Video Library

Partner Libraries

• Washington State Library
• National Transportation Library
• Directory of Transportation Libraries and Information Centers