Platform 1
Southbound - Platform 2
Northbound - Platform 3
Platform 4
Platform Unknown
| Watford Junction | 87:53 mins |
| London Euston | 103:53 mins |
| Watford Junction | 117:53 mins |
| Watford Junction | 87:53 mins |
| London Euston | 103:53 mins |
| Watford Junction | 117:53 mins |