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.) | 8/27/2024 |
| DIV ST - Basic 2020 New Format (Word) | New format (Sign, Marker and Delineator, etc.) | 8/27/2024 |
| 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
- Conventional Road Sample Plan (PDF) revised 9/24/2024
- Freeway Sample Plan (PDF) revised 9/24/2024
- Bridge Mounted OH Truss Sample Plan (PDF) revised 9/24/2024
- I-Beam Sample Plan (PDF) revised 9/24/2024
- Monotube Sample Plan (PDF) revised 9/24/2024
Pay item definitions
- Definitions – Sign and Delineator/Marker (PDF) revised 8/24/21
- Overhead Truss (PDF) revised 6/8/22
- Monotube (PDF) revised 4/7/22
- I-Beam (PDF) revised 4/7/22
Design tools
- Signing Tabulations - new format (XLS) revised 7/23/24
- Signing Plan Action Matrix (PDF)
- Ball Banking Form (PDF)
- Tabulation Guidance (PDF) revised 4/20/21
- File Naming Guidance (PDF) revised 4/20/21
- Sign Panel Scale Guidance (PDF) revised 4/27/21
- OH and I Beam Panel ID Request Process (PDF)
- OH and I Beam Panel ID Request Form (XLS)
- Barrier Delineator Cross-reference (XLS)
Structural Resources
Contact: Steve McBurney
Square Tube
- Windloading Chart for Permanent Square Tube Post Selection (XLS) - revised 10/23/20
- FAQ (Word) - revised 11/18/21
I-Beam
-
Current Standards
- I-Beam Post Spacing Chart (PDF) - revised 2020
- I-Beam Post Selection Chart (PDF) - revised 4/4/22
- I-Beam Structure Computation Sheet (XLS) - revised 4/18/22
-
Historical Standards
Overhead Sign – Truss
- Design D Structure Computation Sheet - new format (XLS) - revised 5/23/21
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.
- Destination Signs
- Directional Signs
- Distance Signs
- Express Lane Signs
- Interchange Signs
- Junction Signs
- Mast Arm Signs
- Street Name Signs
- Supplemental Signs
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
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 6/4/24 |
| 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 |
| 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 |
| 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 |
| 5-297.727 | DGN | Square-Tube Median Barrier Base | Revised 6/4/24 |
| 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 6/4/24 |
| 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 6/4/24 |
| 5-297.746 | DGN | Monotube Overhead Sign Structures - Foundation Details – 2 sheets | Revised 6/4/24 |
| 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 6/4/24 |
| 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 | |||
| DGN | Interim Design B Drawings (used from 1995 to 2019) | ||
| 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 |