| No. | Title | Lead | PU/CO | Due date |
| D1.1 (D1) | Report on assessment of effectiveness of conventional safety measures in underground transportation systems and similar confined spaces | KIT | PU |
31 Aug 2019 (M6) |
| D1.2 (D2) | Report on hydrogen hazards and risks in tunnels and similar confined spaces | Ulster | PU |
31 Aug 2019 (M6) |
| D1.3 (D3) | Report on selection and prioritisation of scenarios | HSE | PU | 30 Nov 2019 (M9) |
| D1.4 (D4) | Report on critical analysis of RCS for tunnels and similar confined spaces | NEN | PU | 29 Feb 2020 (M12) |
| D2.1 (D5) | Detailed research programme on unignited leaks in tunnels and confined space | NCSRD | PU | 30 Nov 2019 (M9) |
| D2.2 (D6) | Intermediate report on analytical, numerical and experimental studies | NCSRD | CO | 31 Aug 2020 (M18) |
| D2.3 (D7) | Final report on analytical, numerical and experimental studies on hydrogen dispersion in tunnels, including innovative prevention and mitigation strategies | NCSRD | PU | 28 Feb 2022 (M36) |
| D3.1 (D8) | Detailed research programme on hydrogen fires in confined structures | DTU | PU | 30 Nov 2019 (M9) |
| D3.2 (D9) | Intermediate report on analytical, numerical and experimental studies on fires | DTU | CO | 31 Aug 2020 (M18) |
| D3.3 (D10) | Final report on analytical, numerical and experimental studies on fires, including innovative prevention and mitigation strategies | DTU | PU | 28 Feb 2022 (M36) |
| D4.1 (D11) | Detailed research programme on explosion in underground transportation systems | HSE | PU | 30 Nov 2019 (M9) |
| D4.2 (D12) | Intermediate report on analytical, numerical and experimental explosion studies | HSE | CO | 31 Aug 2020 (M18) |
| D4.3 (D13) | Final report on analytical, numerical and experimental studies on explosions, including innovative prevention and mitigation strategies | HSE | PU | 28 Feb 2022 (M36) |
| D4.4 | Results of the deferred experimental programme and associated activities | HSE | PU | 31 Jul 2022 (M41) |
| D5.1 (D14) | Report on existent intervention strategies and tactics for first responders | IFA | PU | 31 Oct 2019 (M8) |
| D5.2 (D15) | Report on the workshop of emergency services | IFA | PU | 31 Aug 2020 (M18) |
| D5.3 (D16) | Report of quantitative risk assessment methodology | URS | PU | 28 Feb 2022 (M36) |
| D5.4 (D17) | Harmonised recommendations on response to hydrogen accidents | IFA | PU | 28 Feb 2022 (M36) |
| D6.1 (D18) | Dissemination, communication and awareness plan | FHA | PU | 30 Jun 2019 (M4) |
| D6.2 (D19) | SAB 1st meeting minutes | FHA | CO | 31 Aug 2019 (M6) |
| D6.3 (D20) | Update 1 of dissemination and awareness plan | FHA | PU | 29 Feb 2020 (M12) |
| D6.4 (D21) | SAB 2nd meeting minutes | FHA | CO | 29 Feb 2020 (M12) |
| D6.5 (D22) | SAB 3rd meeting minutes | FHA | CO | 31 Aug 2020 (M18) |
| D6.6 (D23) | Update 2 of dissemination and awareness plan | FHA | PU | 28 Feb 2021 (M24) |
| D6.7 (D24) | SAB 4th meeting minutes | FHA | CO | 28 Feb 2021 (M24) |
| D6.8 (D25) | SAB 5th meeting minutes | FHA | CO | 31 Aug 2021 (M30) |
| D6.9 (D26) | Recommendations for inherently safer use of hydrogen vehicles in underground traffic systems | HSE | PU | 31 Dec 2021 (M34) |
| D6.10 (D27) | Recommendations for RCS | NEN | PU | 31 Jan 2022 (M35) |
| D6.11 (D28) | SAB 6th meeting minutes | FHA | CO | 28 Feb 2022 (M36) |
| D6.12 (D29) | Dissemination conference | FHA | PU | 28 Feb 2022 (M36) |
| D7.1 (D30) | Kick-off meeting minutes | Ulster | CO | 31 May 2019 (M3) |
| D7.2 (D31) | Website | Ulster | PU | 30 Jun 2019 (M4) |
| D7.3 (D32) | Project quality plan | FHA | PU | 30 Jun 2019 (M4) |
| D7.4 (D33) | 1st progress meeting minutes | Ulster | CO | 31 Aug 2019 (M6) |
| D7.5 (D34) | Data Management Plan | FHA | PU | 31 Aug 2019 (M6) |
| D7.6 (D35) | First annual online data reporting | Ulster | CO | 30 Jun 2019 (M4) |
| D7.7 (D36) | 2nd progress meeting minutes | Ulster | CO | 29 Feb 2020 (M12) |
| D7.8 (D37) | Update 1 of Data Management Plan | FHA | PU | 29 Feb 2020 (M12) |
| D7.9 (D38) | First periodic technical report | Ulster | CO | 31 Aug 2020 (M18) |
| D7.10 (D39) | First periodic financial report | Ulster | CO | 31 Aug 2020 (M18) |
| D7.11 (D40) | 3rd progress meeting minutes | Ulster | CO | 31 Aug 2020 (M18) |
| D7.12 (D41) | 4th progress meeting minutes | Ulster | CO | 28 Feb 2021 (M24) |
| D7.13 (D42) | Update 2 of Data Management Plan | FHA | PU | 28 Feb 2021 (M24) |
| D7.14 (D43) | Second annual online data reporting | Ulster | CO | 30 Jun 2020 (M16) |
| D7.15 (D44) | 5th progress meeting minutes | Ulster | CO | 31 Aug 2021 (M30) |
| D7.16 (D45) | Third annual online data reporting | Ulster | CO | 30 Jun 2021 (M28) |
| D7.17 (D46) | Final periodic technical report | Ulster | CO | 28 Feb 2022(M36) |
| D7.18 (D47) | Final periodic financial report | Ulster | CO | 28 Feb 2022 (M36) |
| D7.19 (D48) | 6th progress meeting minutes | Ulster | CO | 28 Feb 2022 (M36) |
| D7.20 (D49) | Final Data Management Plan | Ulster | PU | 28 Feb 2022 (M36) |
| D8.1 (D50) | NEC – Requirement No. 1 | Ulster | CO | 29 Feb 2020 (M12) |
PU = Public
CO = Confidential, only for members of the consortium (including the Commission Services).