Minnesota Department of Transportation

511 Travel Info

Traffic Engineering

traffic engineering workers

Design


Special provisions

Contact: Steve McBurney

2020 Specifications Description Revised date
2020 Spec Book    
DIV ST - Complete 2020 New Format (Word) New format (Sign, Marker and Delineator, etc.) 10/3/2023
DIV ST - Basic 2020 New Format (Word) New format (Sign, Marker and Delineator, etc.) 10/3/2023
DIV ST – List of Changes Archive        Archive of changes to DIV ST       10/3/2023
Supplemental Specifications Description Revised date
Overhead Sign Rock Socket Foundation (Word) Add to DIV ST if used in plans 3/1/2021
As Built – Signing Asset Class Signing Support and Panels Template  

Signing sample plans

Pay item definitions

Design tools

Structural Resources

Contact: Steve McBurney

Square Tube
I-Beam
Overhead Sign Truss

Signing plan checklist

Contact: Crystal Yang

Plan Submittal Description Revised Date
Kickoff (Word) Questions to ask at kickoff meeting 6/23/2021
Submittal Summary (PDF) Signing Plan Submittal Summary 1/21/2022
30% (Word) Inplace Signing Layouts 9/23/2021
60% (Word) Proposed Signing Layouts and Panel Layouts 1/20/2022
75% (Word) Structural Elevation 1/21/2022
90% (Word) Tabulations, Standard Plans, Details, Title sheet 1/20/2022
100% (Word) Final Plan 9/16/2021
Project Manager (Word) Signing Project Manager checklist for every submittal 6/23/2021

Guide sign panel designs

Follow spacing guidelines in the chart below when designing guide signs.

The sign designs available under Templates in SignCad are in the process of being updated. Please use the examples below until further notice. Opening the SignCad (SGN) files below may cause errors if not viewing this site using the Google Chrome web browser. Each link contains the PDF and SGN files.

Sign panel library

Plan sheet development

The sign designer must have the knowledge to use the proper sheets for the design situation. Adobe PDF files have been included on this page for viewing for those who do not have Microstation software. The Microstation Design Files (DGN) have been placed on this page for use in MnDOT Signing Plans.

Disclaimer: Users of the CADD files listed on this page need to visit the MnDOT CAES site to download MnDOT CADD resource files and view instructions on how to setup a MnDOT CADD environment.

Sign cell library

  • A downloadable zip file of the MnDOT sign cell library (sign.cel) is available at the MnDOT CAES website.

Standard plans and details

MnDOT is transitioning from u-channel posts to square tube posts for ground mounted signs. After December 31, 2019, all devices on projects let shall meet crashworthy requirements of MASH-16.

Signing is converting standard details to standard plans. Signing has the 700 series for standard plans. Standard plans can be found in the links below or on the Standard Plans website.

Standard Plans and Details
Sheet Number/PDF DGN File Standard Plan Name/Description Comments
Placement
5-297.701 DGN Standard Sign Placement

Revised 8/9/23

5-297.702 DGN Delineator and Marker Placement

Revised 2/28/22

5-297.703 DGN Sign, Delineator, and Marker Placement near Interchange Ramp Gores Revised 2/28/22
Square Tube Sign Structures
5-297.718 DGN Square Tube Sign Mounting Details Revised 8/9/23
5-297.719 DGN Square Tube Side-By-Side Sign Mounting Details Revised 8/9/23
5-297.720 DGN Square Tube No Passing Zone Sign Mounting Details Revised 8/9/23
5-297.721 DGN Three-Wall Base

Revised 11/29/22

5-297.722 DGN Fin Base for 2” Square-Tube Riser Post in Soil Revised 8/9/23
PDF DGN Square Tube Shear Bolt Base Detail revised 4/20/21
5-297.724 DGN Slip Base for 2-1/2” Square-Tube Riser Post Revised 8/9/23
PDF DGN Square Tube Slip Base Mounted to Concrete Surface Detail revised 5/4/21
Signs Mounted on Other Structures
5-297.726 DGN Sign Mounted on Concrete Wall  Revised 5/3/21
5-297.730 DGN Sign Mounting Systems for Round Supports Revised 10/16/19
5-297.731 DGN Sign Mounting Details for Signal Mast Arms

Revised 4/17/20

5-297.740 DGN Concrete Rail Mounted Sign Revised 6/4/19
5-297.741 DGN Structural Details for Bridge-Mounted Grade-Separated Identification Signs Revised 8/9/23
5-297.742 DGN Structural Details for Bridge-Mounted Flat Sheet Aluminum Signs Revised 8/9/23
Extruded Panels and Panel Mounting Posts
5-297.710 DGN Extruded Panel Mounting Details 

Revised 11/29/22

5-297.750 DGN I-Beam and Panel Mounting Post Modification Details Revised 8/9/23
I-Beam Sign Structures
5-297.711 DGN I-Beam Supported Sign Structural Details  Revised 5/3/21
5-297.713 DGN I-Beam Supported Sign Structural Details - Shallow Spread Footing  Revised 5/3/21
Monotube Sign Structures
5-297.745 DGN Monotube Overhead Sign Structures - General Elevations, Sections, and Notes  Revised 11/29/22
5-297.746 DGN Monotube Overhead Sign Structures - Foundation Details – 2 sheets Revised 1/15/21
5-297.747 DGN Monotube Overhead Sign Structures - Simple Span – 2 sheets Revised 1/15/21
5-297.748 DGN Monotube Overhead Sign Structures - Cantilever – 2 sheets Revised 1/15/21
5-297.749 DGN Monotube Overhead Sign Structures - Sign Panel and Exit Panel – 2 sheets

Revised 1/15/21

Overhead Truss Design Structures
Design D
5-297.760 DGN Standard Overhead Sign Structures - Design D - Implementation Instructions and Notes Revised 5/28/19
5-297.761 DGN Standard Overhead Sign Structures - Design D - General Elevations, Sections and Notes Revised 11/29/22
5-297.762 DGN Standard Overhead Sign Structures - Design D - Camber, Post Type and Estimated Quantities Revised 3/5/20
5-297.763 DGN Standard Overhead Sign Structures - Design D - Foundation Details Revised 2/14/22
5-297.764 DGN Standard Overhead Sign Structures - Design D - Base Plate, Handhole, and Cover Plate Details Revised 3/5/20
5-297.765 DGN Standard Overhead Sign Structures - Design D - Truss to Post Connection Details Revised 3/5/20
5-297.766 DGN Standard Overhead Sign Structures - Design D - Sign Truss Details Type A Revised 5/28/19
5-297.767 DGN Standard Overhead Sign Structures - Design D - Sign Truss Details Type B Revised 5/28/19
5-297.768 DGN Standard Overhead Sign Structures - Design D - Sign Truss Details Type C Revised 5/28/19
5-297.769 DGN Standard Overhead Sign Structures - Design D - Walkway Details Revised 3/5/20
5-297.770 DGN Standard Overhead Sign Structures - Design D - Walkway and Railing Retrofit Details Revised 5/1/19
5-297.772 DGN Standard Overhead Sign Structures - Design D - DMS Mounting Details Revised 3/29/22
Historic Overhead Truss Design
PDF DGN Interim Design B Drawings (used from 1995 to 2019)  
PDF   Design B Drawings (used from 1975 to 1995)  
Overhead Truss Design Structures - Special Footing Types
Median Barrier
5-297.752 DGN Type F Median Barrier Foundation - Spread Footing Revised 3/11/22
5-297.753 DGN Type F Median Barrier Foundation - Drilled Shaft Footing Revised 3/11/22
5-297.754 DGN Single Slope Median Barrier Foundation - Spread Footing Revised 3/11/22
5-297.755 DGN Single Slope Median Barrier Foundation - Drilled Shaft Footing Revised 3/11/22
Specialty Foundations
5-297.773 DGN Standard Overhead Sign Structures - Design D - Rock Socket Foundation Details  Revised 1/15/21
5-297.774 DGN Standard Overhead Sign Structures - Design D - Variable Length Drilled Shaft Details  Revised 1/15/21
5-297.779 DGN Overhead Sign Structures - Foundation Extension - Design D Extension Details - Type 1-4 Posts  Revised 1/15/21
5-297.780 DGN Overhead Sign Structures - Foundation Extension - Design D Extension Details - Type 5-6 Posts – 2 sheets Revised 1/15/21
5-297.781 DGN Overhead Sign Structures - Foundation Extension - Interim Design B Extension Details - Type 1-4 Posts  Revised 1/15/21
5-297.782 DGN Overhead Sign Structures - Foundation Extension - Interim Design B Extension Details - Type 5-7 Posts – 2 sheets Revised 1/15/21
5-297.783 DGN

Overhead Sign Structures - Foundation Extension - Design B Extension Details - Type 1-3 Posts 

Revised 1/15/21
5-297.784 DGN Overhead Sign Structures - Foundation Extension - Design B Extension Details - Type 4-5 Posts – 2 sheets Revised 1/15/21
5-297.785 DGN Overhead Sign Structures - Foundation Extension - Design B Extension Details - Type 6-7 Posts – 2 sheets Revised 1/15/21
5-297.786 DGN Overhead Sign Structures - Foundation Extension - Design B Extension Details - Type 8-9 Posts – 2 sheets Revised 1/15/21
5-297.787 DGN

Overhead Sign Structures - Foundation Extension - Design B Extension Details - Type 10-13 Posts – 3 sheets

Revised 1/15/21
5-297.788 DGN Overhead Sign Structures - Foundation Extension - Design B Extension Details - Type 14-15 Posts Revised 1/15/21
5-297.789 DGN

Overhead Sign Structures - Foundation Extension - Design B Extension Details - Type 16-19 Posts – 2 sheets

Revised 1/15/21