Traffic Structures

Traffic structures are the most common item found on the Oregon highway system. These structures include those that support traffic signals, signs, or lighting.

Currently there are more than 200,000 of these structures in operation. Traffic structures supports the development of efficient and effective transportation systems.

Guidance for Designers

Traffic Structures Design Manual

Sign Supports

• Multi-post Breakaway Design Sheet, 08-2005 - For use in the design of sign supports shown in standard drawings TM600 and TM601.
• Triangular Base Breakaway Design Sheet, 04-2006 - For use in the design of sign supports shown in standard drawing TM602.

Project Tools - Signal Supports

Field Verification Forms

Flow chart and responsibilities for signal pole field verification.

• Signal Pole - PDF
  
• Signal Pole Foundation - PDF
  

Field Data Sheet

• Mast Arm Data Sheet, 02-2004 - For use in recording mast arm signal pole information in the field.

Project Tools - Sign Supports

Shop Verification Forms

• Sign Bridge Horizontal Span Inspection Sheet
  
• Monotube VMS/Bridge Shop Inspection Sheet
  

Field Verification Forms

• Truss Sign Bridge - PDF
  
• Truss Variable Message Sign Bridge - PDF
  
• Mono-tube Cantilevers - PDF
• Monotube VMS/Sign Bridge - PDF