Roy Jorgensen Associates develops Engineering Manuals and Standard Drawings across a wide range of disciplines. Please click on the links below to learn more about each discipline and the variety of manuals that we have prepared.

• Bridge Design
• Construction
• Consultant Procedures
• Environment
• Geotechnical
• Hydraulics
• In-House Operations
• Right-of-Way
• Road Design
• Roadside Safety
• Standard Drawings
• Temporary Traffic Control