2001-01-01
Initial by BVH, with 36 routes and a total distance of 7291.4500.
2007-10-17, after 2480 days (7 years)
PGDR improved total distance by 230.7200.
From 7291.4500 to 7060.7300 (by 3.1643%).
2012-07-31, after 1749 days (5 years)
VCGP improved total distance by 0.0637.
From 7060.7300 to 7060.6663 (by 0.0009%).