Current service patterns run through trains on the outside tracks.
The typical service pattern is one train approximately every two hours in each direction.
The new service pattern was blamed for poor school attendance.
The service pattern has been revised to include Sunday trains.
A similar service pattern also operates in the reverse direction.
Over the past 50 years, service patterns on the line have not changed all that much.
The current service pattern from London sees two trains per hour, both leaving within seven minutes of each other.
The above table shows the service pattern from the December 2009 timetable change.
Operationally, there are four different service patterns to the line.
There have been no changes in its service pattern since.
