Safety Design and Guardrails
Revised: April 1, 2024NOTE - This page an all of its child pages on the menu to the left have been transitioned to the Engineering Production Support web site. These pages will remain temporarily but will no longer be updated. Please update your links.
CLEAR ZONE AND SAFETY PLANS
CABLE BARRIER
CRASH CUSHIONS
GUARDRAIL DETAILS
GUARDRAIL (SPECIAL CASES)
GUARDRAIL TERMINALS
GUARDRAIL ANCHORS
CONCRETE MEDIAN BARRIERS
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| 06/28/2019 | CLEAR ZONE CRITERIA
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| IB 23-04 | 03/01/2023 | SAFETY PLAN FOR BARRIER LENGTH OF NEED | |
| S-PL-1A | IB 23-04 | 03/01/2023 | SAFETY PLAN FOR BARRIER LENGTH OF NEED (FOR RIGID OBJECTS) |
| S-PL-1B | IB 23-04 | 03/01/2023 | SAFETY PLAN FOR BARRIER LENGTH OF NEED ON CURVED ROADWAYS |
| IB 23-04 | 03/01/2023 | SAFETY PLAN MINIMUM INSTALLATION AT BRIDGE ENDS
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| IB 24-03 | 01/09/2024 | SAFETY PLAN FOR BRIDGE PIERS IN CLEAR ZONE
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| S-PL-4A | IB 24-03 | 01/09/2024 | SAFETY PLAN FOR BRIDGE PIERS IN CLEAR ZONE & OUT OF CLEAR ZONE |
| 06/28/2019 | SAFETY PLAN FOR BRIDGE ENDS IN MEDIANS
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| 06/15/2021 | 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 | RELATED IB | REVISION DATE | DESCRIPTION |
| IB 24-03 | 01/09/2024 | CABLE BARRIER PLACEMENT
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| S-CB-2 | IB 23-11 | 07/07/2023 | HIGH TENSION CABLE BARRIER |
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| IB 24-03 | 01/09/2024
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CRASH CUSHION
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| 06/28/2019 | CRASH CUSHION (GATING) BARREL ARRAY
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| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
06/15/2021
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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 | IB 23-11 | 07/07/2023 | GUARDRAIL GENERAL NOTES AND POST DETAILS |
| S-GR31-1D | IB 23-04 | 03/01/2023 | GUARDRAIL POST PLACEMENT IN ROCK |
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| S-GRC-4 | IB 23-11 | 07/07/2023 | GUARDRAIL CONNECTION TO BRIDGE RAILING CONCRETE PARAPET |
| S-GRC-5 |
02/28/2020 | GUARDRAIL CONNECTION TO BRIDGE ENDS (TRAILING ENDS) | |
| S-GRC-6 | IB 23-11 | 07/07/2023 | GUARDRAIL CONNECTION TO BRIDGE ENDS FOR LOW SPEED ROADWAYS |
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| S-CPW-1 |
CURVED PARAPET WALL ≤ 40 M.P.H. | ||
06/15/2021
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SPECIAL CASE LONG SPAN GUARDRAIL 1 POST, 2 OR 3 POSTS OMITTED
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01/28/2022
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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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05/04/2022
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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 | 06/15/2021 | WEAK-POST GUARDRAIL ASSEMBLY DETAILS FOR TYPE 1 & 2 | |
| S-GRS-5B | WEAK-POST GUARDRAIL ASSEMBLY DETAILS FOR TYPE 3 & 4 | ||
| S-GRS-6 | SPECIAL CASE FLEXIBITLTY ON GUARDRAIL POST INSTALLATIONS | ||
| S-GRS-7 | IB 24-03 | 01/09/2024 | SHORT – RADIUS GUARDRAIL SYSTEM (SRGS) |
| S-GRS-7A | IB 24-03 | 01/09/2024 | SHORT – RADIUS GUARDRAIL SYSTEM (SRGS) DETAILS |
| S-GRS-7B | IB 24-03 | SHORT RADIUS-GR SYSTEM (SRGS) EYE-BOLT SPACING DETAILS | |
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
10/29/2021
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TYPE 12 GUARDRAIL TERMINAL BURIED-IN-BACKSLOPE
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| S-GRT-1A | LAYOUT OF FLARED GUARDRAIL (TL- 3) | ||
| S-GRT-1B | LAYOUT OF FLARED GUARDRAIL (TL- 2) | ||
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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| S-GRT-4 | IB 24-03 | TYPE 21 GATING END TERMINAL | |
| S-GRT-4A | IB 24-03 | TYPE 21 GATING END TERMINAL ANCHOR DETAILS | |
| S-GRT-4B | IB 24-03 | GATING TERMINAL POST & RAIL DETAILS | |
| DRAWING | RELATED IB | 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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| IB 24-03 | 01/09/2024 | TYPE 13 GUARDRAIL ANCHOR
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| IB 23-04 | 03/01/2023 | IN-LINE GUARDRAIL ANCHOR TO PRIVATE DRIVE
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| 06/28/2019 | FLARED GUARDRAIL ANCHOR
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| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
01/28/2022
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32” SINGLE SLOPE CONCRETE BARRIER WALL
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| S-SSMB-1A | 10/29/2021 | 36" SINGLE SLOPE CONCRETE BARRIER WALL |
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| 10/29/2021 | 51” SINGLE SLOPE CONCRETE BARRIER WALL
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| 10/29/2021 | 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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| 10/29/2021 | SINGLE SLOPE BARRIER WALL FOR GRADE SEPARATED MEDIAN
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| S-SSMB-10 | IB 24-03 | 01/09/2024 | SPECIAL DETAIL FOR CONCRETE MEDIAN BARRIER WALL BARRIER WALL TRANSITION FROM 32” TO 51” |
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| 06/15/2021 | 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 |
01/28/2022 | 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 | 10/29/2021 | 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-PL-2M* | IB 23-04 | SAFETY PLAN AT SIDE RSAFETY PLAN AT SIDE ROADS OR PRIVATE DRIVES | |
| S-SSMB-6M | GUARDRAIL ATTACHMENT TO EXISTING SINGLE SLOPE CONCRETE BARRIER WALL | ||
* NOTE: Standard drawing S-PL-2 has been renamed to S-PL-2M and has been placed under the Guardrail Maintenance Series.
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: July 26, 2024 at 12:20 PM