- Dec 10 , 2008
- The total number of ETC on-board units in service reached 26 million.
- Aug 1 , 2008
- The total number of ETC on-board units in service reached 24 million.
- May 23 , 2008
- The total number of ETC on-board units in service reached 23 million.
- Mar 24 , 2008
- The total number of ETC on-board units in service reached 22 million.
- Jan 23 , 2008
- The total number of ETC on-board units in service reached 21 million.
