1918
Potters Bar
Bus service
Great Northern service
1922
St Albans
Bus service
Great Northern service
1930
Stevenage
Bus service
Great Northern service
1931
Hitchin
Bus service
Great Northern service
1948
Potters Bar
Bus service
Great Northern service
1952
St Albans
Bus service
Great Northern service
2000
Stevenage
Bus service
Great Northern service
2001
Hitchin
Bus service
Great Northern service
2018
Potters Bar
Bus service
Great Northern service
2022
St Albans
Bus service
Great Northern service
2030
Stevenage
Bus service
Great Northern service
2031
Hitchin
Bus service
Great Northern service
2048
Potters Bar
Bus service
Great Northern service
2052
St Albans
Bus service
Great Northern service
2100
Stevenage
Bus service
Great Northern service
2101
Hitchin
Bus service
Great Northern service