| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | North–South railway (Vietnam) - Passenger service |  |  |  |  |  |
| 3 | Train | Type | From | To | Length | Notes |
| 4 | SE1/SE2 | Express | Hanoi | Ho Chi Minh City | 34 hrs, 40 mins | Stops at Nam Định, Thanh Hóa, Vinh, Đồng Hới, Dong Ha, Huế, Lang Co, Da Nang, Tam Ky, Quảng Ngãi, Dieu Tri, Tuy Hòa, Nha Trang, Thap Cham, Muong Man |
| 5 | SE3/SE4 | Express | Hanoi | Ho Chi Minh City | 29 hrs, 30 mins | Stops at Vinh, Đồng Hới, Huế, Da Nang, Dieu Tri, Nha Trang |
| 6 | SE5/SE6 | Express | Hanoi | Ho Chi Minh City | 32 hrs | Stops at Phủ Lý, Nam Định, Ninh Bình, Thanh Hóa, Vinh, Đồng Hới, Huế, Da Nang, Quảng Ngãi, Dieu Tri, Nha Trang, Thap Cham, Muong Man, Bien Hoa |
| 7 | TN1/TN2 | Local | Hanoi | Ho Chi Minh City | 40 hrs, 50 mins | - |
| 8 | TN3/TN4 | Local | Hanoi | Ho Chi Minh City | 40 hrs, 45 mins | - |
| 9 | TN5/TN6 | Local | Hanoi | Ho Chi Minh City | 40 hrs, 10 mins | - |
| 10 | TN7/TN8 | Local | Hanoi | Ho Chi Minh City | 40 hrs, 25 mins | - |
| 11 | NA1/NA2 | Local | Hanoi | Vinh | - | - |
| 12 | NA3/NA4 | Local | Hanoi | Vinh | - | - |
| 13 | TH1/TH2 | Local | Giap Bat | Thanh Hóa | - | - |
| 14 | VD31/VD32 | Local | Vinh | Đồng Hới | - | OUT OF SERVICES |
| 15 | DH41/DH42 | Local | Đồng Hới | Huế | - | OUT OF SERVICES |
| 16 | VQ1/VQ2 | Local | Vinh | Quy Nhon | - | - |

Question: How fast is the express service of Vietnam's North-South railway?
Answer: Express service links Hanoi and Ho Chi Minh City, making stops at stations; local service is also provided along portions of the line, such as from Hanoi to Vinh, Vinh to Đồng Hới and Vinh to Quy Nhon.