Park Street - Least Used Station in Hertfordshire

Another in the series! Visiting the least used station in each county in the UK to see what's there. This time, Hertfordshire! We're on the Abbey Line, where the least used station is Park Street. The ORR statistics can be downloaded here: https://dataportal.orr.gov.uk/statist... Thanks for Roger for coming along with me, you can follow him on twitter at @busandtrainuser