You can take a bus from Hemel Hempstead to Radlett via St Albans, Alban City School in around 59 min.
How to get from Hemel Hempstead to Radlett
From Leverstock Green, Green Dell Way line 301 bus to St Albans City then train to Radlett. 42 min £8. From Adeyfield, School line 301 bus to St Albans, Alban City School then line 601 bus to Radlett, Recreation Ground. 59 min £5. From Hemel Hempstead taxi to Radlett. 13 min £41. From Hemel Hempstead drive to Radlett. 13 min £1. From Hemel Hempstead walk to Radlett. 2 h 52 min.