Intercity or West Anglian & Great Northern Railway
Travelling from the north change at Stevenage for Hertford North.

From London
Trains start from Moorgate (weekdays), Kings Cross (weekends) for Hertford North. Finsbury Park is on both routes and is therefore a reliable joining point and provides n interchange between the Underground and Main line. Alternatively service runs from Liverpool St for Hertford East.

From Cambridge
Change at Broxboume for Hertford East.

Map