| Chapter | Page Number(s) | Version (PDF/HTML) | Change Description |
| 3 | N/A | HTML | Table 3-2 has been revised to indicate "New Regional Target Projects Funded in the FFYs 2026–30 TIP." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. The contents of Table 3-2 remain unchanged. |
| 3 | N/A | HTML | Table 3-3 has been revised to indicate "FFYs 2026–30 Boston Region MPO Regional Target Investment Summary." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. The contents of Table 3-3 remain unchanged. |
| 3 | N/A | HTML | Table 3-4 has been revised to indicate "FFYs 2026–30 MassDOT Highway Program Investment Summary." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. The contents of Table 3-4 remain unchanged. |
| 3 | N/A | HTML | Table 3-5 has been revised to indicate "FFYs 2026–30 MBTA Transit Program Investment Summary." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. The contents of Table 3-5 remain unchanged. |
| 3 | N/A | HTML | Table 3-6 has been revised to indicate "FFYs 2026–30 CATA and MWRTA Transit Program Investment Summary." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. The contents of Table 3-6 remain unchanged. |
| 3 | N/A | HTML | Table 3-7 has been revised to indicate "FFYs 2026–30 TIP Highway Table." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. |
| 3 | N/A | HTML | Table 3-7 has been correctly incorporated into the HTML version of the document. The HTML version previously incorrectly depicted only a subsection of projects in FFY 2030 rather than the full list of projects across all five years of the TIP. |
| 3 | N/A | HTML | Table 3-8 has been revised to indicate "FFYs 2026–30 TIP Transit Table (MBTA Federal Capital Program)." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. The contents of Table 3-8 remain unchanged. |
| 3 | N/A | HTML | Table 3-9 has been revised to indicate "FFYs 2026–30 TIP Transit Table (MBTA Federal Capital Program Project List and Descriptions [80% Federal Share])." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. |
| 3 | N/A | HTML | Table 3-9 in the HTML version of the draft TIP has been revised to include column headers for each of the eight columns listed in the table. These headers were cut off in the draft HTML. |
| 3 | N/A | HTML | Table 3-10 has been revised to indicate "FFYs 2026–30 TIP Transit Table (MWRTA)." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. The contents of Table 3-10 remain unchanged. |
| 3 | N/A | HTML | Table 3-11 has been revised to indicate "FFYs 2026–30 TIP Transit Table (CATA)." The HTML previously indicated the FFYs 2025–29 TIP, while the PDF reflects the correct figure. The contents of Table 3-11 remain unchanged. |
| 3 | N/A | HTML | The map for Project 606453, Boston: Improvements on Boylston Street, has been revised in the HTML to be consistent with the map present in the PDF. |
| 3 | 90/294 | PDF/HTML | The map for Project S12970, CATA: Vehicle Replacement (4 Vehicles), has been revised to include Manchester-by-the-Sea. |
| 3 | 104/294 | PDF/HTML | The map for Project 608495, Concord-Lexington-Lincoln: Resurfacing and Related Work on Route 2A, has been revised to reflect the project limits from Marrett Street to Sandy Pond Road. |
| 3 | 127/294 | PDF/HTML | The funding source for Project S13147, Framingham: Preliminary Design of Intersection Improvements at Route 126/135/MBTA and CSX Railroad, has been revised to reflect Regional Target funds. |
| 3 | N/A | HTML | The cost table for Project 608397, Gloucester: Bridge Reconstruction, G-05-002, Western Avenue over Blynman Canal, has been corrected to omit an extra column in the HTML version. |
| 3 | N/A | HTML | The project map for Project 613477, Holliston: Linden Street Improvements at Robert Adams Middle School (SRTS), has been added back into the HTML version of the document after being erroneously omitted. |
| 3 | N/A | HTML | Project S13145, Project Design Set-Aside, now features a map of the Boston region, as also reflected in the PDF version of the document. |
| 3 | 253/294 | PDF/HTML | The total column in the cost table has been updated to reflect the accurate cost of Project S13181, Somerville: Bluebikes Station Replacement, 5 Stations. |
| 5 | N/A | HTML | The chapter title has been updated to "Chapter 5- Determination of Air Quality Conformity." The chapter previously listed "Geographic Distribution of TIP Funding" in the HTML version. An analysis of geographic distribution of TIP funding appears in Appendix D. |
| 6 | 1-6/6 | PDF/HTML | The Community Transportation Access Performance Report has been updated to incorporate relevant figures and tables in the chapter that were not prepared in time for the release of the draft FFYs 2026–30 TIP. |
CATA = Cape Ann Transportation Authority. FFY = Federal Fiscal Year. MBTA = Massachusetts Bay Transportation Authority. MWRTA = MetroWest Regional Transit Authority. N/A = not applicable. SRTS = Safe Routes to School. TIP = Transportation Improvement Program.