Latest Design Revisions
The table below summarizes the changes made with the latest revisions to the SUDAS Design Manual. There is also a link below for the revision packet. However, if your manual is not updated to the 2025 Edition, the revisions below will not coordinate with your manual. Previous revisions can be found on the archived design page.
Download a complete packet of the revisions
2026 Edition card for the Design Manual
| Chapter | Section | Pages | Summary of Changes |
|---|---|---|---|
| Intro | Updated the Contributors and Acknowledgments page. Note - if you want to replace the small business card for the spine of your manual, click on the link above. | ||
| 1 | 1D-2 | 2; 18 | Revised the “items to be specified” list based on corrections and SUDAS Specifications revisions. |
| 1 | 1D-3 | ALL | Updated the “incidental or included items” list based on corrections and SUDAS Specifications revisions. |
| 1 | 1D-4 | ALL | Updated the “bid item” list based on corrections and SUDAS Specifications revisions. |
| 2 | Table of Contents | ii | Updated Table of Contents based on revisions made in Chapter 2. |
| 2 | 2A-2, B, 1, b | 1 | Deleted incorrect Iowa DNR URLs from the text and included hyperlinks instead. |
| 2 | 2C-3, F & G | 8-21 | Corrected conflicting size requirements for the minimum concrete leg between openings, which lead to other updates and added pages to the section; noted and fixed other minor errors. |
| 2 | 2E-2, C | 6 | Deleted URLs from text and included hyperlinks instead. |
| 3 | Table of Contents | i | Updated Table of Contents based on revisions made in Chapter 3. |
| 3 | 3C-1, L, 10 | 7-8 | Deleted duplicated language; REMOVE pages 9-10. |
| 4 | Table of Contents | i | Updated Table of Contents based on revisions made in Chapter 4. |
| 4 | 4C-1, K | 7-11 | Revised to address questions regarding restrained joints and thrust blocks. Change added a new page. |
| 5 | Table of Contents | i-v | Updated Table of Contents based on revisions made in Chapter 5. |
| 5 | 5D-1 | 5-9 | Deleted mixture design criteria table to reference table in specs. Updated references throughout section. |
| 5 | 5G-2 | 9-19 | Removed duplicated spec figure and included reference/hyperlink. Updated figure numbers accordingly. REMOVE pages 21-22. |
| 5 | 5G-3 | 5-15 | Removed duplicated spec figure and updated figure numbers accordingly. REMOVE pages 17-19. |
| 5 | 5J-1, D | 12 | Updated reference to Concrete Pavement Preservation Guide. |
| 5 | 5O-1 | 2 | Removed duplicated spec figure and included reference/hyperlink. REMOVE pages 3-4. |
| 6 | Table of Contents | ii | Updated Table of Contents based on revisions made in Chapter 6. |
| 6 | 6G-1 | 4-10 | Removed duplicated spec figure and included reference/hyperlink. REMOVE page 11. |
| 7 | Table of Contents | iii | Updated Table of Contents based on revisions made in Chapter 7. |
| 7 | 7E-9 | ALL | Removed duplicated spec figure and included reference/hyperlink. |
| 7 | 7E-10 | ALL | Removed duplicated spec figure and included reference/hyperlink. Updated figure numbers accordingly. REMOVE pages 7-8. |
| 7 | 7E-11 | ALL | Removed duplicated spec figure and included reference/hyperlink. |
| 7 | 7E-16, B, 4 | 3 | Corrected terminology error - “entrance” changed to “exit.” |
| 9 | 9D-1, B | 1 | Deleted URLs from text and corrected hyperlinks. |
Page last updated: December 16, 2025