Design - Traffic Control

Revised: April 1, 2024

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TRAFFIC OPERATIONS STANDARD DRAWINGS

PAVEMENT MARKINGS

WORK ZONES

PAVEMENT MARKINGS
DRAWING	RELATED IB	REVISION DATE	DESCRIPTION
T-M-1		06/28/2019	DETAILS OF PAVEMENT MARKINGS FOR CONVENTIONAL ROADS AND MARKING ABBREVIATIONS
T-M-2	IB 24-03	01/09/2024	DETAILS OF PAVEMENT MARKINGS FOR CONVENTIONAL ROADS
T-M-3	IB 23-11	07/07/2023	MARKING STANDARDS FOR TRAFFIC ISLANDS, PAVED SHOULDERS AND MEDIANS FOR CONVENTIONAL ROADS
T-M-4		07/17/2020	STANDARD INTERSECTION PAVEMENT MARKINGS
T-M-4A	IB 23-04	03/01/2023	STANDARD UNSIGNALIZED MID-BLOCK CROSSING
T-M-4B	IB 23-04	03/01/2023	STANDARD SIGNALIZED MID-BLOCK CROSSING
T-M-4C			PEDESTRIAN GATEWAY TREATMENT
T-M-5	IB 23-04	03/01/2023	MARKING DETAIL FOR FREEWAYS
T-M-6	IB 23-04	03/01/2023	MARKING DETAIL FOR EXPRESSWAY & FREEWAY INTERCHANGES
T-M-7		06/28/2019	GORE MARKING DETAILS FOR EXPRESSWAY & FREEWAY INTERCHANGES
T-M-8		06/28/2019	MARKING DETAILS FOR EXPRESSWAYS & FREEWAYS
T-M-9	IB 23-11	05/01/2023	PAVEMENT MARKING AND SIGNING DETAILS FOR RAMP INTERSECTIONS
T-M-9A	IB 23-11		PAVEMENT MARKING AND SIGNING DETAILS FOR RAMP INTERSECTIONS
T-M-9B	IB 23-11		PAVEMENT MARKING AND SIGNING DETAILS FOR RAMP INTERSECTIONS
T-M-15		06/28/2019	ASPHALT SHOULDER RUMBLE STRIP INSTALLATION DETAILS FOR INTERSTATES AND ACCESS CONTROLLED ROUTES
T-M-15A		06/28/2019	ASPHALT SHOULDER RUMBLE STRIP INSTALLATION DETAILS FOR NON-ACCESS CONTROLLED RURAL ROUTES
T-M-16		03/04/2021	RUMBLE STRIPE INSTALLATION LAYOUT
T-M-16A		02/03/2020	RUMBLE STRIPE DETAILS FOR EDGE OF PAVEMENT AND CENTERLINE
T-M-17		05/04/2022	PAVEMENT MARKING DETAILS FOR ROUNDABOUTS
T-M-18		10/29/2021	FLEXIBLE DELINEATOR DETAILS
T-M-18A			DELINEATOR MOUNTING DETAILS
T-M-19	IB 24-03	01/09/2024	PAVEMENT MARKING DETAILS FOR RESTRICTED CROSSING & J-TURN INTERSECTIONS

WORK ZONES
DRAWING	RELATED IB	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		03/04/2021	LANE SHIFT FOR DIVIDED HIGHWAYS AND FREEWAYS
T-WZ-18	IB 23-11	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	IB 24-03	01/09/2024	WORK ZONE IN THE VICINITY OF AN ENTRANCE RAMP
T-WZ-64	IB 23-03		WORK ZONE IN THE VICINITY OF AN EXIT RAMP
T-WZ-65	IB 24-03		LANE CLOSURE WITH LATE MERGE
T-WZ-FAB1			FLASHING YELLOW ARROW BOARD
T-WZ-PBR1	IB 23-03	12/09/2022	INTERCONNECTED PORTABLE BARRIER RAIL
T-WZ-PBR2		02/28/2020	DETAILS FOR WORK ZONE CHANNELIZATION DEVICES
T-WZ-PCB1	IB 23-03	12/09/2022	10 FOOT PORTABLE CONCRETE BARRIER RAIL
T-WZ-PCB2	IB 23-03	12/09/2022	20 FOOT PORTABLE CONCRETE BARRIER RAIL
T-WZ-PCB2A	IB 23-03	12/09/2022	20 FOOT PORTABLE CONCRETE BARRIER RAIL STIFFENER TUBE
T-WZ-PCB3	IB 22-03	01/28/2022	PORTABLE CONCRETE BARRIER RAIL DETAILS
T-WZ-PCB4	IB 23-03	12/09/2022	PORTABLE CONCRETE BARRIER RAIL ANCHOR PIN DETAILS

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 12:21 PM