Roadway Design Standards
Revised: May 1, 2024RD18 TYPICAL SECTIONS AND DESIGN CRITERIA
RD18 SLOPE DEVELOPMENT AND RUNOFF LENGTHS
RD18 INTERSECTION SIGHT DISTANCE
RD11 TYPICAL SECTION AND DESIGN CRITERIA
RD11 SLOPE DEVELOPMENT AND RUNOFF LENGTHS
| RD18 TYPICAL SECTIONS AND DESIGN CRITERIA | |||
|---|---|---|---|
| (ROUNDABOUT TYPICAL SECTIONS) | |||
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| RD18-RTS-1 | DESIGN STANDARDS FOR SINGLE LANE URBAN AND RURAL ROUNDABOUTS | ||
| RD18-RTS-2 | DESIGN STANDARDS FOR MULTI-LANE URBAN AND RURAL ROUNDABOUTS | ||
| RD18-RTS-3 | STANDARD CONSTRUCTION DETAILS FOR ROUNDABOUTS | ||
| RD18-RSD-1 | SIGHT DISTANCE FOR URBAN AND RURAL ROUNDABOUTS | ||
| RD11 TYPICAL SECTIONS AND DESIGN CRITERIA | |||
|---|---|---|---|
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| RD11-SE-1 | TRANSITION AND CROSS SLOPE DETAILS | ||
| RD11-SE-2 | SUPERELEVATION TRANSITION DETAILS FOR UNDIVIDED ROADWAYS | ||
| RD11-SE-2A | SUPERELEVATION TRANSITION SECTIONS FOR UNDIVIDED ROADWAYS | ||
| RD11-SE-3 | SUPERELEVATION TRANSITION DETAILS FOR DIVIDED ROADWAYS | ||
| RD11-SE-3A | SUPERELEVATION TRANSITION SECTIONS FOR DIVIDED ROADWAYS | ||
| RD11-TS-1 |
06/28/2019 | DESIGN STANDARDS FOR LOW-VOLUME ROADS | |
| RD11-TS-1A | 06/28/2019 | DESIGN STANDARDS FOR LOCAL ROADS AND STREETS | |
| RD11-TS-2 | DESIGN STANDARDS FOR COLLECTORS, 2-LANE ROADS AND STREETS | ||
| RD11-TS-2A | DESIGN STANDARDS FOR COLLECTOR HIGHWAYS WITH DEPRESSED MEDIAN (4 AND 6 LANE) | ||
| RD11-TS-2B | DESIGN STANDARDS FOR COLLECTOR HIGHWAYS WITH FLUSH MEDIAN (4 AND 6 LANE) | ||
| RD11-TS-3 | DESIGN STANDARD FOR ARTERIAL HIGHWAYS (2-LANE) | ||
| RD11-TS-3A |
06/28/2019 | DESIGN STANDARDS FOR ARTERIAL HIGHWAYS WITH DEPRESSED MEDIAN (4 AND 6 LANE) | |
| RD11-TS-3B | DESIGN STANDARDS FOR ARTERIAL HIGHWAYS WITH FLUSH MEDIAN (4 AND 6 LANE) | ||
| RD11-TS-3C | DESIGN STANDARDS FOR ARTERIALS WITH INDEPENDENT ROADWAYS (4 AND 6 LANE) | ||
| RD11-TS-4 | DESIGN STANDARDS FOR ARTERIAL AND FREEWAY RAMPS (1, 2 AND 3 LANE) | ||
| RD11-TS-5 |
06/28/2019 | DESIGN STANDARDS FOR FREEWAYS WITH DEPRESSED MEDIAN (4 AND 6 LANE) | |
| RD11-TS-5A | DESIGN STANDARDS FOR FREEWAYS WITH INDEPENDENT ROADWAYS (4 AND 6 LANE) | ||
| RD11-TS-5B | DESIGN STANDARDS FOR FREEWAYS WITH MEDIAN BARRIER (4 AND 6 LANE) | ||
| RD11-TS-5W | 06/15/2021 | TYPICAL DETAILS FOR INSIDE LANE WIDENING OF FREEWAYS | |
| RD11-TS-6 | TYPICAL CURB & GUTTER SECTIONS WITH SHOULDERS AND WITH GRASS STRIPS | ||
| RD11-TS-6A | TYPICAL CURB & GUTTER SECTIONS WITHOUT SHOULDERS AND WITH GRASS STRIPS | ||
| RD11-TS-6B | TYPICAL CURB AND GUTTER SECTIONS WITH SHOULDERS AND WITHOUT GRASS STRIPS | ||
| RD11-TS-6C | TYPICAL CURB AND GUTTER SECTIONS WITHOUT SHOULDERS AND WITHOUT GRASS STRIPS | ||
| RD11-TS-7 | 07/17/2020 | DESIGN STANDARDS 2-LANE CURB & GUTTER WITH CONTINUOUS 2-WAY LEFT-TURN LANE WITHOUT GRASS STRIPS | |
| RD11-TS-7A | 07/17/2020 | DESIGN STANDARDS 2-LANE CURB & GUTTER WITH CONTINUOUS 2-WAY LEFT-TURN LANE WITH GRASS STRIPS | |
| RD11-TS-7B | 07/17/2020 | DESIGN STANDARDS 2-LANE HIGHWAYS WITH CONTINUOUS 2-WAY LEFT-TURN LANE | |
| RD11-TS-9 | DESIGN STANDARDS FOR SINGLE LANE URBAN AND RURAL ROUNDABOUTS | ||
| RD11-TS-10 | DESIGN STANDARDS FOR MULTl-LANE URBAN AND RURAL ROUNDABOUTS | ||
| RD11 SLOPE DEVELOPMENT AND RUNOFF LENGTHS | |||
|---|---|---|---|
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| RD11-LR-1 | MINIMUM RUNOFF LENGTHS (Lr) FOR URBAN HIGHWAYS | ||
| RD11-LR-2 | MINIMUM RUNOFF LENGTHS (LR) FOR RURAL HIGHWAYS | ||
| RD11-S-11 | DESIGN AND CONSTRUCTION DETAILS FOR ROADSIDE SLOPE DEVELOPMENT | ||
| RD11-S-11A | ROADSIDE DITCH DETAILS FOR DESIGN AND CONSTRUCTION | ||
| RD11-S-11B | DESIGN AND CONSTRUCTION DETAILS FOR ROCK CUT SLOPE AND CATCHMENT | ||
| RD11-SA-1 | IB 24-03 | 01/09/2024 | SAFETY APPROACH TO UNDERPASSES GRADING DESIGN AND SLOPE PROTECTION |
| RD11 INTERSECTION SIGHT DISTANCE | |||
|---|---|---|---|
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| RD11-SD-1 | INTERSECTION SIGHT DISTANCE DESIGN AND GENERAL NOTES | ||
| RD11-SD-2 | INTERSECTION SIGHT DISTANCE LANDSCAPE AND OBSTRUCTION | ||
| RD11-SD-3 | INTERSECTION SIGHT DISTANCE 2-LANE ROADWAYS | ||
| RD11-SD-4 | INTERSECTION SIGHT DISTANCE 4-LANE AND 5-LANE UNDIVIDED ROADWAYS | ||
| RD11-SD-5 | INTERSECTION SIGHT DISTANCE 4-LANE DIVIDED HIGHWAYS | ||
| RD11-SD-6 | INTERSECTION SIGHT DISTANCE 6-LANE DIVIDED HIGHWAYS | ||
| RD11-SD-7 | INTERSECTION SIGHT DISTANCE FOR PASSIVE RAILROAD HIGHWAY GRADE CROSSINGS | ||
| UNDERDRAINS | |||
|---|---|---|---|
| DRAWING | RELATED IB | REVISION DATE | DESCRIPTION |
| RD-UD-3 | IB 24-03 | 01/09/2024
|
UNDERDRAIN DETAILS
|
| RD-UD-4 | 06/28/2019
|
UNDERDRAIN LATERAL DETAILS
|
|
| RD-UD-6 |
06/28/2019
|
LATERAL UNDERDRAIN ENDWALL DETAIL FOR 1:1 & 2:1 SLOPES
|
|
| RD-UD-7 |
06/28/2019
|
LATERAL UNDERDRAIN ENDWALL DETAIL FOR 3:1 & 4:1 SLOPES
|
|
| RD-UD-8 |
06/28/2019 | LATERAL UNDERDRAIN ENDWALL DETAIL FOR 5:1 SLOPES
|
|
| RD-UD-9 |
06/28/2019
|
LATERAL UNDERDRAIN ENDWALL DETAIL FOR 6:1 SLOPES
|
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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: May 1, 2024 at 9:22 AM