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Sign, Signal, and Luminaire Supports, Utility Poles, Trees, and Similar Roadside Features

Sign, Signal, and Luminaire Supports, Utility Poles, Trees, and Similar Roadside Features RDG Chapter 4 Roadside Appurtenances Sign and Luminaire Supports Traffic Signal Supports Mailbox Supports Utility Poles Trees crash Stub Height Criteria Stub 4” max. 5’ min. Sign Supports

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Sign, Signal, and Luminaire Supports, Utility Poles, Trees, and Similar Roadside Features

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  1. Sign, Signal, and Luminaire Supports, Utility Poles, Trees, and Similar Roadside Features RDG Chapter 4

  2. Roadside Appurtenances • Sign and Luminaire Supports • Traffic Signal Supports • Mailbox Supports • Utility Poles • Trees

  3. crash

  4. Stub Height Criteria Stub 4” max. 5’ min.

  5. Sign Supports

  6. Types of Sign Supports • Overhead Signs • Large Roadside Signs • Small Roadside Signs

  7. Portland/Oregon street sign

  8. Tysons/Lessburg street sign

  9. Wind Vehicle Impact Weak in Shear Ground-Mounted Breakaway Signs Strong in Moment

  10. Car position 1

  11. Car position 2

  12. Car position 3

  13. Car diagram 7’

  14. Uni-directional slip base

  15. Frangible coupling

  16. Old Mill Bottom Road Sign

  17. Lower signs

  18. Small Sign Supports • Base Bending • Slip Base • Fracture

  19. Small Sign Support Video

  20. 1 4 Breakaway Hinge Point on Slopes Safer Roads Roadway 7’ 20’

  21. 2 concerns

  22. Luminaire Supports

  23. Types of Breakaway Luminaire Supports • Transformer Bases • Slip Bases • Frangible Couplings • Fiberglass Poles

  24. 4” Stub Requirement

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