| Location | Phayao, Thailand |
| Owner | State Railway of Thailand |
| Employer | CKST-DC2 Joint Venture |
| Main Contractor | CKST-DC2 Joint Venture |
| Contract Period | 2023 - 2027 |
| Percentage Completed | On-going |
| Role | Sub Contractor |
| Project Description | - Tunnel Works - Cross Passage Works - Equipment Room Works - Tunnel Grouting Works - Geotechnical Monitoring |






















