Safety Design and Guardrails
Revised: March 31, 2021CLEAR ZONE AND SAFETY PLANS
CABLE BARRIER
CRASH CUSHIONS
GUARDRAIL DETAILS
GUARDRAIL (SPECIAL CASES)
GUARDRAIL TERMINALS
GUARDRAIL ANCHORS
CONCRETE MEDIAN BARRIERS
| DRAWING | REVISION DATE | DESCRIPTION |
| 06/28/2019 | CLEAR ZONE CRITERIA
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SAFETY PLAN AT ROADSIDE HAZARDS
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| 05/31/2018 |
SAFETY PLAN AT SIDEROADS OR PRIVATE DRIVES
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| 06/28/2019 | SAFETY PLAN MINIMUM INSTALLATION AT BRIDGE ENDS
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| 06/28/2019 | SAFETY PLAN FOR BRIDGE PIERS IN CLEAR ZONE
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| 06/28/2019 | SAFETY PLAN FOR BRIDGE ENDS IN MEDIANS
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| 06/28/2019 | SAFETY PLAN SAFETY HARDWARE PLACEMENT ON OUTSIDE EDGE
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| 06/28/2019 | SAFETY PLAN SAFETY HARDWARE PLACEMENT IN MEDIAN
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| DRAWING | REVISION DATE | DESCRIPTION |
| 06/28/2019 | CABLE BARRIER PLACEMENT
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| DRAWING | REVISION DATE | DESCRIPTION |
03/04/2021
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CRASH CUSHION
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| 06/28/2019 | CRASH CUSHION (GATING) BARREL ARRAY
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| DRAWING | REVISION DATE | DESCRIPTION |
06/28/2019
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GUARDRAIL DETAILS
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| 06/28/2019 | GUARDRAIL AND BLOCK-OUT DETAILS
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| S-GR31-1B |
GUARDRAIL FASTENING HARDWARE | |
| S-GR31-1C |
GUARDRAIL GENERAL NOTES AND POST DETAILS | |
| DRAWING | REVISION DATE | DESCRIPTION |
| S-GRC-4 | 10/16/2020 | GUARDRAIL CONNECTION TO BRIDGE RAILING CONCRETE PARAPET |
| S-GRC-5 |
02/28/2020 | GUARDRAIL CONNECTION TO BRIDGE ENDS (TRAILING ENDS) |
| S-GRC-6 |
10/16/2020 | GUARDRAIL CONNECTION TO BRIDGE ENDS FOR LOW SPEED ROADWAYS |
| DRAWING | REVISION DATE | DESCRIPTION |
| S-CPW-1 |
CURVED PARAPET WALL ≤ 40 M.P.H. | |
06/28/2019
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SPECIAL CASE LONG SPAN GUARDRAIL ONE POST OMITTED
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06/28/2019
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SPECIAL CASE GUARDRAIL ATTACHMENT TO CONCRETE DECKS
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06/28/2019
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SPECIAL CASE GUARDRAIL FOOTING
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06/28/2019
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SPECIAL CASE GUARDRAIL HEIGHT TRANSITION DETAIL
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| S-GRS-5 | SPECIAL CASE WEAK-POST GUARDRAIL ATTACHMENT TO CULVERT | |
| S-GRS-5A | WEAK-POST GUARDRAIL ASSEMBLY DETAILS FOR TYPE 1 & 2 | |
| S-GRS-5B | WEAK-POST GUARDRAIL ASSEMBLY DETAILS FOR TYPE 3 & 4 | |
| DRAWING | REVISION DATE | DESCRIPTION |
06/28/2019
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TYPE 12 GUARDRAIL TERMINAL BURIED-IN-BACKSLOPE
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06/28/2019
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TYPE 38 GUARDRAIL END TERMINAL
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10/16/2020
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EARTH PAD FOR TYPE 38 AND TYPE 21 TERMINAL
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06/28/2019
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EARTH PAD FOR TYPE 38 AND TYPE 21 TERMINALS (RETROFIT)
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06/28/2019
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TYPE 21 GUARDRAIL END TERMINAL
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| DRAWING | REVISION DATE | DESCRIPTION |
06/28/2019
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TYPE 12 GUARDRAIL ANCHOR
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| 06/28/2019 | GUARDRAIL ANCHOR FOR TYPE 12 TERMINAL (ALTERNATIVE)
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| 06/28/2019 | TYPE 13 GUARDRAIL ANCHOR
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| 06/28/2019 | IN-LINE GUARDRAIL ANCHOR
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| 06/28/2019 | FLARED GUARDRAIL ANCHOR
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| DRAWING | REVISION DATE | DESCRIPTION |
07/17/2020
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32” SINGLE SLOPE CONCRETE BARRIER WALL
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| S-SSMB-1A | 36" SINGLE SLOPE CONCRETE BARRIER WALL |
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| 05/01/2020 | 51” SINGLE SLOPE CONCRETE BARRIER WALL
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| 05/01/2020 | 51” HALF SIZE SINGLE SLOPE CONCRETE BARRIER WALL
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| 07/17/2020 | FLARED SINGLE SLOPE CONCRETE MEDIAN BARRIER WALL (VERTICAL BACK)
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| 05/01/2020 | SINGLE SLOPE MEDIAN BARRIER WALL CATCH BASIN DETAIL
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06/28/2019
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32" CONCRETE SINGLE SLOPE BARRIER WALL WITH SINGLE GUARDRAIL ATTACHMENT
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| S-SSMB-6A |
36” CONCRETE SINGLE SLOPE BARRIER WALL FOR ATTACHING GUARDRAIL | |
| S-SSMB-6B | DUAL GUARDRAIL ATTACHMENT TO SINGLE SLOPE 36” BARRIER WALL | |
| S-SSMB-6C | SINGLE GUARDRAIL ATTACHMENT TO SINGLE SLOPE 36” BARRIER WALL | |
| S-SSMB-6D | 51” CONCRETE SINGLE SLOPE BARRIER WALL FOR ATTACHING GUARDRAIL | |
| S-SSMB-6E | DUAL GUARDRAIL ATTACHMENT TO SINGLE SLOPE 51” BARRIER WALL | |
| S-SSMB-6F | SINGLE GUARDRAIL ATTACHMENT TO SINGLE SLOPE 51” BARRIER WALL | |
| 05/01/2020 | FOOTING DETAILS FOR OVERHEAD SIGN STRUCTURE 32” MEDIAN BARRIER WALL
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| 05/01/2020 | FOOTING DETAILS FOR OVERHEAD SIGN STRUCTURE 51” MEDIAN BARRIER WALL
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| 05/01/2020 | SINGLE SLOPE BARRIER WALL FOR GRADE SEPARATED MEDIAN
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| DRAWING | REVISION DATE | DESCRIPTION |
| 06/28/2019 | W-BEAM & THRIE BEAM BARRIER RAIL AND RUB RAIL DETAILS | |
| S-GR28-2M |
06/28/2019 | GUARDRAIL HARDWARE DETAILS
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| S-GR28-3M |
06/28/2019 | GUARDRAIL HEIGHT ADJUSTMENT
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| 06/28/2019 | GUARDRAIL TERMINAL ANCHOR TYPE 13
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| S-GR28-5M |
06/28/2019 | MEDIAN DIVIDER GUARDRAIL
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| S-GR28-6M |
06/28/2019 | GUARDRAIL ATTACHMENT TO CONCRETE DECKS
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| S-GR28-7M |
06/28/2019 | GUARDRAIL ATTACHMENT TO BRIDGE END DETAILS
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| S-GRC-1M | GUARDRAIL CONNECTION TO BRIDGE ENDS OR BARRIER WALL | |
| S-GRC-2M | GUARDRAIL CONNECTION TO BRIDGE END FOR LOCAL ROADS (ADT < 2000) | |
| S-GRC-3M | MEDIAN DIVIDER GUARDRAIL TRANSITION TO CONCRETE MEDIAN BARRIER | |
| S-SSMB-6M | GUARDRAIL ATTACHMENT TO EXISTING SINGLE SLOPE CONCRETE BARRIER WALL | |
If you find any mistakes, missing information or have a question, contact:
TDOT CADD Support
1200 James K. Polk Building
Nashville, TN 37243-1402
TDOT.CADDSupport@tn.gov
This Page Last Updated: March 31, 2021 at 12:29 PM