Standard Traffic Design Drawings

Created November 22, 2017

SIGNS

SIGNALS

LIGHTING AND UTILITY POLES

RAILROAD CROSSINGS

PAVEMENT MARKINGS

WORK ZONES

SIGNS

DRAWING

REVISION DATE

DESCRIPTION

T-S-6

02/12/1991

STANDARD MOUNTING DETAILS - BOLTED EXTRUDED PANELS

T-S-7

02/12/1991

HIGHWAY SHIELDS USED ON INTERSTATE AND U.S. NUMBERED ROUTES

T-S-8

07/15/1991

HIGHWAY SHIELDS USED ON STATE NUMBERED ROUTES AND ARROWS

T-S-9

06/10/2014

STANDARD LAYOUT GROUND MOUNTED SIGNS

T-S-10

04/04/2012

STANDARD MOUNTING DETAILS FLAT SHEET SIGNS ALUMINUM-STEEL DESIGN

T-S-11

06/06/2011

DELINEATOR AND MILEPOST DETAILS

T-S-12 

07/10/2017

STANDARD STEEL GROUND MOUNTED SIGNS, BREAK-AWAY TYPE POST FOOTING DETAILS, SQUARE TUBES

T-S-13

10/21/2019

STANDARD STEEL GROUND MOUNTED SIGNS, BREAK-AWAY TYPE POST FOOTING DETAILS, I-BEAMS

T-S-14

10/21/2019

STANDARD STEEL GROUND MOUNTED SIGNS, BREAK-AWAY TYPE POST FOOTING DETAILS,WF-BEAMS

T-S-15

12/07/1990

STANDARD CONDUIT & GROUND DETAILS FOR OVERHEAD & CANTILEVER SIGN STRUCTURES

T-S-16

07/02/2015

GROUND MOUNTED ROADSIDE SIGN PLACEMENT DETAILS

     

T-S-16A

07/02/2015

GROUND MOUNTED ROADSIDE SIGN PLACEMENT DETAILS

T-S-17

07/11/2017

STANDARD GROUND MOUNTED SIGN USING PERFORATED/KNOCKOUT SQUARE TUBE

T-S-18

02/14/2014

END OF ROADWAY AND DEAD END SIGNS, METAL BARRICADES (TYPE III) 

T-S-19

06/12/2020

STANDARD STEEL SIGN SUPPORTS

T-S-20

07/11/2017

SIGN DETAILS

T-S-21

04/10/2019

DETAILS FOR SIGNS MOUNTED ON CONCRETE MEDIAN BARRIERS

T-S-22

04/10/2019

SIGN LAYOUT FOR HOV LANES

T-S-23A

07/11/2017

MULTI-DIRECTIONAL SLIP BASE BREAKAWAY P-POST SIGN SUPPORT

T-S-23B

07/19/2013

MULTI-DIRECTIONAL SLIP BASE BREAKAWAY STRUCTURAL PIPE SIGN SUPPORT

T-S-23C

07/02/2015

BREAKAWAY POST SIGN SUPPORTS

T-S-24

08/02/2013

DETAILS OF SIGN WITH SOLAR FLASHING ASSEMBLY

T-S-25 5/4/2022 SIGNING PLAN DETAILS FOR ROUNDABOUTS
T-S-26 01/09/2024 SIGNING PLAN FOR RESTRICTED CROSSING & J-TURN INTERSECTIONS

SIGNALS

DRAWING

REVISION DATE

DESCRIPTION

T-SG-1

06/27/2016

WOOD POLE DETAILS FOR SPAN MOUNTED SIGNALS

T-SG-2

06/27/2016

LOOP LEAD-INS, CONDUIT AND PULL BOXES

T-SG-3

07/11/2017

STANDARD NOTES AND DETAILS OF INDUCTIVE LOOPS

T-SG-3A

06/27/2016

ALTERNATE DETECTION DETAILS

T-SG-4

06/27/2016

SPAN WIRE AND MESSENGER CABLE DETAILS

T-SG-5

06/27/2016

CONTROLLER CABINET DETAILS

T-SG-6

10/21/2019

PEDESTRIAN SIGNAL DETAILS

T-SG-7 

10/21/2019

SIGNAL HEAD ASSEMBLIES

T-SG-7A

 

TYPICAL SIGNAL HEAD PLACEMENT APPROACHES WITH NO THROUGH MOVEMENTS

T-SG-7B

10/21/2019

TYPICAL SIGNAL HEAD PLACEMENT APPROACHES WITH NO THROUGH MOVEMENTS

T-SG-7C

 

TYPICAL SIGNAL HEAD PLACEMENT ONE-LANE AND TWO-LANE APPROACHES

T-SG-7D

09/12/2023

TYPICAL SIGNAL HEAD PLACEMENT TWO-LANE APPROACHES

T-SG-7E

 

TYPICAL SIGNAL HEAD PLACEMENT THREE-LANE APPROACHES

T-SG-7F

07/13/2017

TYPICAL SIGNAL HEAD PLACEMENT THREE-LANE APPROACHES

T-SG-7G

 

TYPICAL SIGNAL HEAD PLACEMENT THREE-LANE APPROACHES

T-SG-7H 10/21/2019 TYPICAL SIGNAL HEAD PLACEMENT THREE-LANE AND FOUR-LANE APPROACHES
T-SG-7HH 07/13/2017 TYPICAL SIGNAL HEAD PLACEMENT FOUR-LANE APPROACHES
T-SG-7J   TYPICAL SIGNAL HEAD PLACEMENT FOUR-LANE APPROACHES
T-SG-7K 11/17/2020 TYPICAL SIGNAL HEAD PLACEMENT FOUR-LANE APPROACHES
T-SG-7L 10/21/2019 TYPICAL SIGNAL HEAD PLACEMENT FOUR-LANE APPROACHES
T-SG-7M   TYPICAL SIGNAL HEAD PLACEMENT FIVE-LANE APPROACHES
T-SG-7N   TYPICAL SIGNAL HEAD PLACEMENT FIVE-LANE APPROACHES
T-SG-7NN 07/13/2017 TYPICAL SIGNAL HEAD PLACEMENT FIVE-LANE APPROACHES
T-SG-7P   TYPICAL SIGNAL HEAD PLACEMENT FIVE-LANE APPROACHES
T-SG-7PP 07/13/2017 TYPICAL SIGNAL HEAD PLACEMENT FIVE-LANE APPROACHES
T-SG-7R   TYPICAL SIGNAL HEAD PLACEMENT SIX-LANE APPROACHES
T-SG-7S 10/21/2019 TYPICAL SIGNAL HEAD PLACEMENT SIX-LANE AND SEVEN-LANE APPROACHES
T-SG-8 06/27/2016 STRAIN POLE DETAILS FOR SPAN MOUNTED SIGNALS
T-SG-9 7/15/2024 DETAILS OF CANTILEVER SIGNAL SUPPORT
T-SG-9A 07/12/2017 MISCELLANEOUS SIGNAL DETAILS
T-SG-10 9/12/2023 MAST ARM POLE AND STRAIN POLES FOUNDATION DETAILS
T-SG-11 07/12/2017 MAINTENANCE OF EXISTING SIGNALS DURING HIGHWAY CONSTRUCTION
T-SG-12 12/20/2019 TYPICAL WIRING FOR SIGNAL HEADS AND DETECTION LOOPS
T-SG-13 06/27/2016 FLASHING BEACON DETAIL
T-SG-14 09/10/2024 PEDESTRIAN HYBRID BEACON DETAIL, 2 OR 3 LANE FACILITIES
T-SG-15 09/10/2024 PEDESTRIAN HYBRID BEACON DETAIL, MULTILANE FACILITIES

LIGHTING AND UTILITY POLES

DRAWING

REVISION DATE

DESCRIPTION

T-FO-1

 

FIBER OPTIC AERIAL ENTRANCE DETAILS

T-FO-2

 

FIBER OPTIC UNDERGROUND ENTRANCE DETAILS

T-FO-3

 

FIBER OPTIC AERIAL CONNECTION DETAILS

T-FO-4

 

FIBER OPTIC PULL BOX, CABINET & POLE DETAILS

T-L-1

7/15/2024

STANDARD LIGHTING FOUNDATION DETAILS

T-L-1SA

7/15/2024

STANDARD LIGHTING DETAILS FOR SINGLE ARM SUPPORTS

T-L-1TM

7/15/2024

STANDARD LIGHTING DETAILS TENON MOUNTED OFFSET LIGHTING SUPPORTS

T-L-2

7/15/2024

FOUNDATION DETAIL FOR LUMINAIRE MOUNTED ON CONCRETE MEDIAN BARRIER

T-L-3

7/15/2024

STANDARD LIGHTING DETAILS PULL BOXES

T-L-4

7/15/2024

STANDARD LIGHTING DETAILS CONDUIT, CABLE INSTALLATION

RAILROAD CROSSINGS

DRAWING

REVISION DATE

DESCRIPTION

T-RR-1

11/01/2011

TYPICAL PAVEMENT MARKING AT RAILROAD ACTIVE HIGHWAY GRADE CROSSINGS AND RAILROAD ADVANCE WARNING SIGN

T-RR-2

11/01/2011

STANDARD DRAWING FOR RAILROAD AND HIGHWAY CROSSING SIGNAL WITH GATE

T-RR-3

11/01/2011

STANDARD DRAWING FOR RAILROAD-HIGHWAY CROSSING SIGNAL

T-RR-4

11/01/2011

STANDARD DRAWING FOR TYPICAL CURB & GUTTER PLAN FOR RAILROAD-HIGHWAY CROSSING WITH OR WITHOUT GATES

T-RR-5

11/01/2011

RAILROAD-HIGHWAY CROSSING SIGNAL WITH CANTILEVER SPAN

T-RR-6

10/25/2013

TYPICAL SIGNING AND MARKING AT PASSIVE RAILROAD HIGHWAY GRADE CROSSINGS

PAVEMENT MARKINGS

DRAWING

 

REVISION DATE

DESCRIPTION

T-M-1

 

01/24/2025

DETAILS OF PAVEMENT MARKINGS FOR CONVENTIONAL ROADS AND MARKING ABBREVIATIONS

T-M-2

  01/24/2025

DETAILS OF PAVEMENT MARKINGS FOR CONVENTIONAL ROADS

T-M-3

 

01/24/2025

MARKING STANDARDS FOR TRAFFIC ISLANDS, PAVED SHOULDERS AND MEDIANS FOR CONVENTIONAL ROADS

T-M-4

 

01/24/2025

STANDARD INTERSECTION PAVEMENT MARKINGS

T-M-4A   01/24/2025 STANDARD UNSIGNALIZED MID-BLOCK CROSSING
T-M-4A2     STANDARD RECTUANGULAR RAPID FLASHING BEACON (RRFB) COMMERCIAL AND STREET ENTRANCES
T-M-4B   01/24/2025 STANDARD SIGNALIZED MID-BLOCK CROSSING
T-M-4B2     STANDARD PEDESTRIAN HYBRID BEACON AT CROSSINGS AT COMMERCIAL AND STREET ENTRANCES
T-M-4C   01/24/2025 PEDESTRIAN GATEWAY TREATMENT

T-M-5

 

01/24/2025

MARKING DETAIL FOR FREEWAYS

T-M-6

 

01/24/2025

MARKING DETAIL FOR EXPRESSWAY & FREEWAY INTERCHANGES

T-M-7

 

01/24/2025

GORE MARKING DETAILS FOR EXPRESSWAY & FREEWAY INTERCHANGES

T-M-8

 

01/24/2025

MARKING DETAILS FOR EXPRESSWAYS & FREEWAYS

T-M-9

 

01/24/2025

PAVEMENT MARKING AND SIGNING DETAILS FOR RAMP INTERSECTIONS

T-M-9A   01/24/2025 PAVEMENT MARKING AND SIGNING DETAILS FOR RAMP INTERSECTIONS
T-M-9B   01/24/2025 PAVEMENT MARKING AND SIGNING DETAILS FOR RAMP INTERSECTIONS

T-M-15

  01/24/2025

ASPHALT SHOULDER RUMBLE STRIP INSTALLATION DETAILS FOR INTERSTATES AND ACCESS CONTROLLED ROUTES

T-M-15A

 

01/24/2025

ASPHALT SHOULDER RUMBLE STRIP INSTALLATION DETAILS FOR NON-ACCESS CONTROLLED RURAL ROUTES

T-M-16

 

01/24/2025

RUMBLE STRIPE INSTALLATION LAYOUT

T-M-16A

 

01/24/2025

RUMBLE STRIPE DETAILS FOR EDGE OF PAVEMENT AND CENTERLINE

T-M-16B     MUMBLE STRIP/STRIPE DETAILS FOR EDGE OF PAVEMENT

T-M-17

 

01/24/2025

PAVEMENT MARKING DETAILS FOR ROUNDABOUTS

T-M-18   01/24/2025 FLEXIBLE DELINEATOR DETAILS
T-M-18A   01/24/2025 DELINEATOR MOUNTING DETAILS
T-M-19   01/24/2025 PAVEMENT MARKING DETAILS FOR RESTRICTED CROSSING & J-TURN INTERSECTIONS

WORK ZONES

DRAWING   REVISION DATE DESCRIPTION

T-WZ-10

 

04/02/2012

ADVANCE ROAD WORK SIGNING ON HIGHWAYS AND FREEWAYS

T-WZ-11

 

03/04/2021

ONE LANE CLOSURE DETAIL ON DIVIDED HIGHWAYS

T-WZ-12

 

03/04/2021

ONE LANE CLOSURE DETAIL FOR BRIDGES ON DIVIDED HIGHWAYS

T-WZ-13  

  05/01/2020

TWO-OUTSIDE LANE CLOSURE FOR EXPRESSWAY AND FREEWAYS

T-WZ-14

  03/04/2021

TWO-OUTSIDE LANE CLOSURE FOR INTERSTATES AND EXPRESSWAYS

T-WZ-15  

  05/01/2020

INTERIOR LANE CLOSURE FOR FREEWAYS

T-WZ-16

  07/30/2024

LANE SHIFT FOR DIVIDED HIGHWAYS AND FREEWAYS

T-WZ-18

  07/07/2023

SHOULDER CLOSURE DETAIL FOR FREEWAYS AND DIVIDED HIGHWAYS

T-WZ-19

  03/04/2021

MEDIAN CROSS-OVER DETAIL ON FREEWAYS

T-WZ-20

 

12/18/1999

GEOMETRIC MEDIAN CROSS-OVER DETAIL ON DIVIDED HIGHWAYS

T-WZ-21  

  05/01/2020

LANE CLOSURE WITH LEFT HAND MERGE AND LANE SHIFT

T-WZ-30

 

09/01/2005

TRAFFIC CONTROL 2-LANE, 2-WAY DIVERSION (40 MPH OR LESS)

T-WZ-31

 

09/01/2005

TRAFFIC CONTROL 2-LANE, 2-WAY DIVERSION (GREATER THAN 40 MPH)

T-WZ-32

 

11/30/2020

TRAFFIC CONTROL PLAN SIGNAL LAYOUT FOR TRAFFIC SIGNAL AT TWO LANE BRIDGE RECONSTRUCTION SITE

T-WZ-33

 

05/27/1998

TRAFFIC CONTROL PLAN FOR CLOSE INTERSECTION CONDITIONS USING TRAFFIC SIGNAL AT TWO LANE BRIDGE RECONSTRUCTION SITE

T-WZ-34

 

09/01/2005

TRAFFIC CONTROL PLAN GENERAL NOTES FOR TRAFFIC SIGNAL AT TWO LANE BRIDGE RECONSTRUCTION SITE

T-WZ-35

 

04/02/2012

TRAFFIC CONTROL PLAN PAY ITEM AND SIGN DETAILS FOR TRAFFIC SIGNAL AT TWO LANE BRIDGE RECONSTRUCTION SITE

T-WZ-36

  03/05/2017

LANE CLOSURE ON LOW-VOLUME 2-LANE HIGHWAY

T-WZ-40

  03/05/2017

RIGHT LANE CLOSURES AT NEAR SIDE OF INTERSECTIONS

T-WZ-41

  03/05/2017

LEFT LANE CLOSURES AT NEAR SIDE OF INTERSECTIONS

T-WZ-42

  03/05/2017

CENTER LANE CLOSURES AT NEAR SIDE OF INTERSECTIONS

T-WZ-50

  04/02/2012

TRAFFIC CONTROL FOR SIGNALS ONLY PROJECTS ON 2 OR 3 LANE MAJOR ROUTES

T-WZ-51

  04/02/2012

TRAFFIC CONTROL FOR SIGNALS ONLY PROJECTS ON 4 OR 5 LANE MAJOR ROUTES

T-WZ-52

  04/02/2012

TRAFFIC CONTROL FOR SIGNALS ONLY PROJECTS ON 4 OR 5 LANE MAJOR AND MINOR ROUTES

T-WZ-53

  04/02/2012

TRAFFIC CONTROL FOR SIGNALS ONLY PROJECTS ON 4 OR MORE LANE DIVIDED MAJOR ROUTES

T-WZ-54

  04/02/2012

TRAFFIC CONTROL FOR SIGNALS ONLY PROJECTS ON 4 OR MORE LANE DIVIDED MAJOR ROUTES AND 4 OR MORE LANE MINOR ROUTES

T-WZ-55

 

10/29/2021

SIDEWALK TRAFFIC CONTROL

T-WZ-56
  05/15/2022 TRANSVERSE RUMBLE STRIP USE WITHIN WORK ZONES
T-WZ-60       FREEWAY RESURFACING SIGNING LAYOUT
T-WZ-61
  05/15/2022 ROLLING ROADBLOCK DETAIL FOR DIVIDED HIGHWAYS
T-WZ-62     CONSTRUCTION ACCESS/EMERGENCY PULL-OFF ON FREEWAYS
T-WZ-63   01/09/2024 WORK ZONE IN THE VICINITY OF AN ENTRANCE RAMP
T-WZ-64     WORK ZONE IN THE VICINITY OF AN EXIT RAMP
T-WZ-65     LANE CLOSURE WITH LATE MERGE 
T-WZ-FAB1
    FLASHING YELLOW ARROW BOARD
T-WZ-PBR1     12/09/2022 INTERCONNECTED PORTABLE BARRIER RAIL
T-WZ-PBR2   02/28/2020 DETAILS FOR WORK ZONE CHANNELIZATION DEVICES
T-WZ-PCB1     10/10/2024 10 FOOT PORTABLE CONCRETE BARRIER RAIL
T-WZ-PCB2     10/01/2024 20 FOOT PORTABLE CONCRETE BARRIER RAIL
T-WZ-PCB2A   10/01/2024 20 FOOT PORTABLE CONCRETE BARRIER RAIL STIFFENER TUBE
T-WZ-PCB3   01/28/2022 PORTABLE CONCRETE BARRIER RAIL DETAILS
T-WZ-PCB4     12/09/2022 PORTABLE CONCRETE BARRIER RAIL ANCHOR PIN DETAILS

If you find any mistakes, missing information or have a question, contact:
Traffic Operations Division
Stephen K. Byran, P.E., PTOE
505 Deaderick Street
James K. Polk Building, Suite 1200
Nashville, TN 37243
ph. 615-741-2152
Mary.D.McFarlin@tn.gov

This Page Last Updated: January 31, 2025 at 3:41 PM