| First train | 04:01 | |
|---|---|---|
| Last train | 20:04 | |
| Departure station | Hemel Hempstead | |
| Arrival station | London Underground Zone 1-3 | |
| Journey time | From 28m | |
| Frequency | 20 trains per day | |
| Changes | 1 change |
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.