Long term updates
Look at maps showing service improvements over 4 week periods.
Sunday 1 to Tuesday 31 January 2012
Thursday 1 to Saturday 31 December 2011
Tuesday 1 to Wednesday 30 November 2011
Saturday 1 to Monday 31 October 2011
Thursday 1 to Friday 30 September 2011
Monday 1 to Wednesday 31 August 2011
Friday 1 to Sunday 31 July 2011
Wednesday 1 to Thursday 30 June 2011
Sunday 1 to Tuesday 31 May 2011
Friday 1 to Saturday 30 April 2011
Wednesday 18 May to Saturday 3 September 2011
Tuesday 1 to Thursday 31 March 2011
Tuesday 1 to Monday 28 February 2011
Saturday 1 to Monday 31 January
Wednesday 1 to Friday 31 December 2010
Friday 1 to Sunday 31 October
Saturday 4 September until further notice
Wednesday 1 to Thursday 30 September
Sunday 1 to Tuesday 31 August
Fridays 2 July to 27 August


