Nashville Department of Transportation Engineering Details and Specifications

This page is the index for details and specifications available from the Engineering Division. Details will be posted as they are available for publication.

Instructional Bulletins

Instructional Bulletins describe updates to NDOT detail and specification documents. When a detail or specification is revised, users should refer to the accompanying bulletin for more information regarding revisions.

Date	Section Number/Name	Bulletin Description
April 18, 2024	2024-1	Complete Streets Implementation Guide
August 19, 2022	2022-3	Revised Multimodal Access Closure Policy Update
June 16, 2022	ST-276A	Microtrench Policy and Specifications
June 3, 2022	02575	Pavement Repairs Instructional Bulletin

Details

Projects shall be designed and constructed using the details as listed below and the Standard Drawings available from the Tennessee Department of Transportation.

Instructions for printing

1. Select the drawing. Click on the name of the drawing to view. It will be displayed in a new window.
2. Set your margins. In the new window, click on the "File" menu and then on "Page Setup." Set all of your margins as close to zero as the page setup window will allow, and then click OK.
3. Print the drawing. In the new window, click on the "File" menu and then on "Print..." Note that the drawings must be printed at a resolution of 300 dpi.

Instructions for saving

1. Select the drawing. Click on the name of the drawing to view. It will be displayed in a new window.
2. Save the drawing. After the drawing has loaded in the new window, right click the drawing. A menu should display that gives the option of saving the picture. Click on this and a standard Windows file dialog will appear, allowing the saving of any local location available.

Note: The above instructions apply to Windows users, using Microsoft Explorer as the web browser.

Details Documents

Revision Date	Detail Number/Name	Detail Description
March 14, 2000	DR-100	Standard Ladder Bars
March 14, 2000	DR-105	Single Inlet (Precast)
March 14, 2000	DR-106	Single Inlet (Brick)
March 14, 2000	DR-110	Double Inlet (Precast)
March 14, 2000	DR-111	Double Inlet (Brick)
March 14, 2000	DR-115	Triple Inlet (Precast)
March 14, 2000	DR-116	Triple Inlet (Brick)
March 14, 2000	DR-120	Combination Inlet (Precast)
March 14, 2000	DR-121	Combination Inlet (Brick)
December 1, 2000	DR-180	Trench Backfill
May 5, 2003	ST-200	Standard Curb with Gutter
May 5, 2003	ST-201	Standard Curb
May 2, 2003	ST-209	Standard Expansion Joint for Concrete Sidewalk
June 23, 2004	ST-210	Standard Concrete Sidewalk
June 6, 2004	ST-211	Obstruction in Sidewalk
November 10, 2000	ST-215	Standard Curb Ramp Notes
April 8, 2019	ST-222	Standard Pipe Handrail
September 9, 2004	ST-249	Utility Placement in R.O.W.
April 9, 2001	ST-250	Residential Divided Street
April 9, 2001	ST-251	Residential Low Density Minor and Local Street (46' ROW)
April 9, 2001	ST-252	Residential Medium Density Minor and Local Street (50' ROW)
December 7, 2009	ST-252B	Residential Street Parking Both Sides
April 9, 2001	ST-253	Residential Medium Density Collector or High Density Local Street
April 9, 2001	ST-254	Residential High Density Collector Street (72' ROW)
July 27, 2004	ST-255	Non-Curb and Gutter Road Section
April 9, 2001	ST-260	Non Residential Local Street (60' ROW)
April 9, 2001	ST-261	Non Residential Collector Street (72' ROW)
April 9, 2001	ST-262	Non Residential Divided Street
August 25, 2000	ST-263	Standard Alley Section
July 15, 2015	ST-270a	Flush Trench Repair with Stone
July 15, 2015	ST-270b	Flush Trench Repair with Flowable Fill
July 15, 2015	ST-271a	Recessed Trench Repair with Crushed Stone
July 15, 2015	ST-271b	Recessed Trench Repair with Flowable Fill
September 10, 2004	ST-272	Trench Pavement Repair (Outside Roadway)
March 16, 2006	ST-273	Utility Cut Locations at Intersections - Example 1
March 16, 2006	ST-274	Utility Cut Locations at Intersections - Example 2
March 16, 2006	ST-275	Utility Cut Locations at Intersections - Example 3
June 15, 2022	ST-276a	Microtrench Repair Specifications for roadway, curb and gutter, shoulder, and softscape grass
May 12, 2003	ST-320	New Construction Curb Ramp
May 12, 2003	ST-321	Alteration Const. Curb Ramp w/ Sidewalk Less Than 9 feet
May 12, 2003	ST-322	New Construction Residential Driveway Ramp
May 12, 2003	ST-323	Alteration Construction Residential Driveway Ramp w/ Sidewalk Less Than 9 feet
May 8, 2003	ST-324	New Construction Commercial Driveway Ramp
May 8, 2003	ST-325	Alteration Construction Commercial Driveway Ramp w/ Sidewalk Less Than 9 feet
June 23, 2004	ST-326	Geometric Layout at Curb Returns with Radius 25 feet or Less
June 23, 2004	ST-327	Geometric Layout at Curb Returns with Radius Greater Than 25 feet
May 2, 2007	ST-328	Geometric Layout at Curb Notes
June 17, 2005	ST-329	Detectable Warnings at Curb Returns with Radius 25 feet or Less
June 17, 2005	ST-330	Detectable Warnings at Curb Returns with Radius Greater than 25 feet
November 28, 2005	ST-331	Residential Turn-Around Cul De Sac
May 8, 2003	ST-500	Brick Sidewalk with Concrete Setting Bed
May 8, 2003	ST-501	Brick Sidewalk with Asphalt Setting Bed
August 25, 2003	ST-502	Bike Lanes with On-Street Parking Permitted
August 12, 2003	ST-503	Bike Lanes with On-Street Parking Prohibited
December 16, 2003	ST-504	Pavement Markings and Signs for Bike Lanes
April 5, 2007	ST-505	Railroad Road Crossing
July 8, 2010	ST-506	Bike Friendly Grate, Example 1
July 8, 2010	ST-506a	Bike Friendly Grate, Example 2
July 8, 2010	ST-506b	Bike Friendly Grate, Example 3
July 25, 2016	ST-507	Bicycle and Pedestrian Work Zone Safety Regulations
August 1, 2010	Signal Policy	This signal policy is intended to govern traffic signal timing and phasing within Metro Nashville.
October 15, 2004	Steel Strain Sheet 1	Standard Traffic Signal Layout for Span Wire Installations
April 25, 2016	Steel Strain Sheet 2	Standard Notes Layout for Span Wire Traffic Signal Installations
October 15, 2004	Mast Arm Sheet 1	Standard Traffic Signal Layout for Mast Arm Installations
April 25, 2016	Mast Arm Sheet 2	Standard Notes Layout for Mast Arm Traffic Signal Installations
October 15, 2004	Traffic Border	Traffic Standard Plan Border (Reference file)
September 24, 2007	Downtown Streetscape Design Guidelines	Guidelines for downtown street lighting, furniture and pedestrian enhancements
June 1, 2017	Nashville 730N	TDOT Traffic Signal Specifications
March 13, 2023	Traffic Control Guidelines for Permit Submittals	These Traffic Control Guidelines for Permit Submittals are specific to permits issued for less than 7 days.

Specifications

Projects shall be designed and constructed using the Tennessee Department of Transportation Standard Specifications for Road and Bridge Construction (latest edition), Additional Specifications and Special Provisions thereof. Additional Specifications as listed below shall take precedence over applicable TDOT Standard Specifications and Special Provisions.

Specifications Documents

Revision Date	Section Number	Section Description
November 13, 2000	02225	Earthwork for Structures and Pipes Specifications
February 14, 2013	02500	Paving and Surfacing Specifications
September 6, 2000	02520	Cement Concrete Curb, Gutter, and Combined Curb and Gutter Specifications
September 6, 2000	02522	Cement Concrete Sidewalks, Driveways, and Median Pavement Specifications
May 7, 2014	02523	Detectable Warnings Specifications
July 7, 2022	02575	Pavement Repair Specifications
November 9, 2006	02720	Storm Sewers and Drain Systems Specifications
October 26, 2007	330523	Guidelines for Utility Horizontal Directional Borings Specifications