1231
Harpenden
Bus service
Thameslink service
1234
St Pancras International
Bus service
Thameslink service
1301
Harpenden
Bus service
Thameslink service
1304
St Pancras International
Bus service
Thameslink service
1331
Harpenden
Bus service
Thameslink service
1334
St Pancras International
Bus service
Thameslink service
1401
Harpenden
Bus service
Thameslink service
1404
St Pancras International
Bus service
Thameslink service