TF13 Guide to Longitudinal Barrier Systems (Guardrail)
Federal Highway Administration: FHWA Office of Safety

Organization: | Federal Highway Administration |
Name: | FHWA Office of Safety |
E-Mail: | Safety.FHWA@dot.gov |
Address: | Office of Safety Federal Highway Administration 1200 New Jersey Avenue SE Washington, D.C. 20590 |
Phone: | 202-366-1331 |
Website: | https://safety.fhwa.dot.gov/roadway_dept/ |
Bridge Railings
Crash Cushions
None
End Treatments/Terminals
Longitudinal Barriers
- SGR01a - Weak-Steel Post Cable Guardrail
- SGM01a - Weak-Steel Post Cable Median Barrier
- SGM02 - Weak-Post W-Beam Median Barrier
- SGM03 - Weak-Post Box-Beam Median Barrier
- SGM04a - Strong Post W-Beam Median Barrier, Steel Posts, Wood or Composite Blockouts
- SGR03 - Weak-Post Box-Beam Guardrail
- SGR04a - Strong Post W-Beam Guardrail, Steel Posts, Steel Blockouts
- SGM06a - Strong-Post W-Beam Median Barrier with Rub Rail, Steel Post
- SGM09a - Thrie-Beam Median Barrier, Steel Posts, Wood or Composite Blockouts
- SGR09a - Thrie-Beam Guardrail, Steel Posts, Wood or Composite Blockouts
- SGR02b - Modified Weak-Post W-Beam Guardrail, MASH TL-3
- SGR01b - Weak-Steel Post Cable Guardrail
- SGR04c - Strong Post W-Beam Guardrail, Steel Posts, Wood or Composite Blockouts
- SGM04b - Strong Post W-Beam Median Barrier, Wood Posts, Wood or Composite Blockouts
- SGM06b - Strong-Post W-Beam Median Barrier with Rub Rail, Wood Post
- SGM09b - Modified Thrie-Beam Median Barrier, Steel Posts, Steel Blockouts
- SGM09c - Thrie-Beam Median Barrier, Wood Posts, Wood or Composite Blockouts
- SGR09b - Modified Thrie-Beam Guardrail, Steel Posts, Steel Blockouts
- SGR09c - Thrie-Beam Guardrail, Wood Posts, Wood or Composite Blockouts
- SGR02a - Weak-Post W-Beam Guardrail
- SGR04b - Strong Post W-Beam Guardrail, Wood Posts, Wood or Composite Blockouts
- SGM10a - F-Shape Median Barrier
- SGM10b - F-Shape Median Barrier
- SGM11a - Safety-Shape Median Barrier
- SGM11b - Safety-Shape Median Barrier
- SGM12 - Tall-Wall Median Barrier
- SGR05 - Culvert Mounted W-Beam Guardrail
- SGR04d - Strong Post W-Beam Guardrail, Round Wood Posts with Wood Blockouts
- SGR04e - Strong Post W-Beam Guardrail, Round Wood Posts with Wood Blockouts
Luminaire Supports
None
Sign Supports
- SSF01a-b - Direct Burial Perforated Steel Tube
- SSF02a-c - Perforated Steel Tube in Anchor Base
- SSF20a-b - Direct Burial Wood Post
- SSF21a - Direct Burial Circular Wood Post
- SSF22a-b - Rectangular Wood Post in Concrete
- SSF30a - Direct Burial Tubular Aluminum Post
- SSF40a-b - Direct Burial U-Channel Post
- SSS01a-b - Rectangular Uni-Directional Slipbase
- SSS02a - Inclined Rectangular Uni-Directional Slipbase
- SSS03a - Omni-Directional Slipbase with Tube Post
- SSS04a - Omni-Directional Slipbase with W-Post
- SSS07a - Included Rectangular Slipbase with Tubular Post
Transition Systems
None
Work Zone Systems
Components