The following table shows the number of kilometres of new road lanes that have been built since 1997.
Lane km added to HA network 1997-98. 433 1998-99 107 1999-2000 38 2000-01 117 2001-02 0 2002-03 224 2003-04 450 2004-05 191 2005-06 89 2006-07 77 Total 1,726