Minnesota Department of Transportation

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Traffic Engineering

 

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Design

Special provisions

Signing sample plans

Design tools

Pay item definitions

Sign plan checklists

FAQ

Guide sign panel designs

Follow the font size and spacing guidelines in the charts below when designing unique 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.

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 - Type C & D

Detail may be used in place of the standard plan. The detail contains updates that are currently under review to replace the current standard plan. Detail revised 9/17/20.   PDF DGN

 Only use one in plans, either the standard plan sheet or the new detail sheet.

5-297.702 DGN Delineator and Marker Placement

 

5-297.703 DGN Sign, Delineator, and Marker Placement near Interchange Ramp Gores  
Square Tube Sign Structures
PDF DGN Square Tube Mounting Details Detail revised 7/1/21
PDF DGN Side By Side Square Tube Mounting Detail Detail revised 4/20/21
PDF DGN No Passing Zone Panel Square Tube Mounting Detail Detail revised 4/20/21
5-297.721 DGN Three-Wall Base

 

PDF DGN Square Tube Fin Base Detail revised 4/21/21
PDF DGN Square Tube Fin Base Cored Through Concrete Detail Detail revised 4/21/21
PDF DGN Square Tube Shear Bolt Base Detail revised 4/20/21
PDF DGN Square Tube Shear Bolt Base in Soil Detail Detail revised 4/20/21
PDF DGN Square Tube Slip Base Detail revised 5/4/21
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   
5-297.730 DGN Sign Mounting Systems for Round Supports  
5-297.731 DGN Sign Mounting Details for Signal Mast Arms  
5-297.740 DGN Concrete Rail Mounted Sign  
5-297.741 DGN Structural Details for Bridge Mounted Type D Signs - Street Name  
5-297.742 DGN Structural Details for Bridge Mounted Type D Signs - Minor Guide Signs  
Extruded Panels and Panel Mounting Posts
5-297.710 DGN Extruded Panel Mounting Details  This plan has been renamed and updated to include all mounting details for extruded panels.  All of the old standard plan 5-297.771 has been included on this standard plan.
5-297.750 DGN Panel Mounting Post Modification Details  
I-Beam Sign Structures
5-297.711 DGN I-Beam Supported Sign Structural Details   
5-297.713 DGN I-Beam Supported Sign Structural Details - Shallow Spread Footing   
Monotube Sign Structures
5-297.745 DGN Monotube Overhead Sign Structures - General Elevations, Sections, and Notes   
5-297.746 DGN Monotube Overhead Sign Structures - Foundation Details – 2 sheets  
5-297.747 DGN Monotube Overhead Sign Structures - Simple Span – 2 sheets  
5-297.748 DGN Monotube Overhead Sign Structures - Cantilever – 2 sheets  
5-297.749 DGN Monotube Overhead Sign Structures - Sign Panel and Exit Panel – 2 sheets

 

Overhead Truss Design Structures
Design D
5-297.760 DGN Standard Overhead Sign Structures - Design D - Implementation Instructions and Notes
5-297.761 DGN Standard Overhead Sign Structures - Design D - General Elevations, Sections and Notes  
5-297.762 DGN Standard Overhead Sign Structures - Design D - Camber, Post Type and Estimated Quantities  
5-297.763 DGN Standard Overhead Sign Structures - Design D - Foundation Details  
5-297.764 DGN Standard Overhead Sign Structures - Design D - Base Plate, Handhole, and Cover Plate Details  
5-297.765 DGN Standard Overhead Sign Structures - Design D - Truss to Post Connection Details  
5-297.766 DGN Standard Overhead Sign Structures - Design D - Sign Truss Details Type A  
5-297.767 DGN Standard Overhead Sign Structures - Design D - Sign Truss Details Type B  
5-297.768 DGN Standard Overhead Sign Structures - Design D - Sign Truss Details Type C  
5-297.769 DGN Standard Overhead Sign Structures - Design D - Walkway Details  
5-297.770 DGN Standard Overhead Sign Structures - Design D - Walkway and Railing Retrofit Details  
5-297.772 DGN Standard Overhead Sign Structures - Design D - DMS Mounting Details  
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  
5-297.753 DGN Type F Median Barrier Foundation - Drilled Shaft Footing  
5-297.754 DGN Single Slope Median Barrier Foundation - Spread Footing  
5-297.755 DGN Single Slope Median Barrier Foundation - Drilled Shaft Footing  
Specialty Foundations
5-297.773 DGN Standard Overhead Sign Structures - Design D - Rock Socket Foundation Details   
5-297.774 DGN Standard Overhead Sign Structures - Design D - Variable Length Drilled Shaft Details   
5-297.779 DGN Overhead Sign Structures - Foundation Extension - Design D Extension Details - Type 1-4 Posts   
5-297.780 DGN Overhead Sign Structures - Foundation Extension - Design D Extension Details - Type 5-6 Posts – 2 sheets  
5-297.781 DGN Overhead Sign Structures - Foundation Extension - Interim Design B Extension Details - Type 1-4 Posts   
5-297.782 DGN Overhead Sign Structures - Foundation Extension - Interim Design B Extension Details - Type 5-7 Posts – 2 sheets  
5-297.783 DGN

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

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

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

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

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