The service from the station runs to Moorgate on weekdays until about 10.00pm, and into London Kings Cross after 10.00pm Mondays to Fridays and all day on Saturdays and Sundays. Normally the service uses class 313 EMUs, as these are the only units cleared to Moorgate. The typical off-peak service is three trains per hour to Moorgate, and three trains per hour to Hertford North, with one per hour extended to Letchworth Garden City via Stevenage.