Traffic Electrical Design

• Current Practices (186KB, .pdf) or (1.10MB, .doc)
• General Special Provisions (364KB, .pdf) or (417KB, .doc)
• Detail Library
• Team Contact (28KB, .doc)

ITS Design

• Current Practices (524KB, .pdf) 
• Current Practices Supplement (38KB, .pdf)
• General Special Provisions (479KB, .pdf) or (535KB, .doc)
• General Information
• Detail Library
• Team Contact (26KB, doc)

Sign Design

• Current Practices (48MB, .pdf) or (17MB, .doc)
  (Currently under revision) 
• General Special Provisions (7KB, .pdf) or (20KB, .doc)
• Sign Types (13KB, .pdf) or (21KB, .doc)
• Sign Specifications WinXP (640KB, .zip)                    
• Message Length Calculator (7KB, .zip)
• Sign Inventory (191KB, .xls)
• Roundabout Guidelines (591KB, .pdf)
• Detail Library
• Northwest Region Control City (12KB, .pdf) or (24KB, .doc)
• Team Contact (25KB, .doc)

Resources

• Headquarter Traffic Design
• WSDOT Publications
• Standard Plans
• Developer Services
• Local Agency and Developer Review Process (29KB, .doc)
• Local Agency and Developer Review Flowchart (25KB, .pdf)
• Signal Priority Array (SPA)
• Channelization Priority Array (CPA)
• Traffic Studies Database
• Washington State Cities Population Estimates