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System Performance Evaluation
NCHRP 350
AASHTO for Bridge Railings
Working Width and Zone of Intrusion
Barrier Warrants, Barrier Lengths, and Runout Lengths
TL-2
TL-4
TL-6

System Types
Box Beam Guardrails
Cable Barriers
Luminaire Pole Systems
Portable Barriers
Sign Supports and Work-Zone Traffic Control Devices
Thrie Beam Guardrails
Trees, Poles, and Utility Features
W-beam Guardrails

Applications
Bullnose Systems
Concrete Bridge Rails
Flared Installations
Long-Span Guardrails
Metal Bridge Rails
Motorcycle Systems
Precast Barriers
Systems to Shield Culverts
Weak Post Guardrails

System Features
Bent or Curved Rail
Box Beam
Cable Anchorage
Concrete Barrier Shape
Fasteners
Foundation Socket
Foundation Tube
Galvanization & Treatments
Material Specifications
MGS Trailing End Anchorage
Post
Precast Bridge Rail
Thrie Beam
Transition and Attachment Hardware
Wire Rope or Cable
Wire Rope Terminations