Found these on YouTube. The Russians were way faster than the HST although as no independent witness the record couldnt be verified....271kmh
http://www.youtube.com/watch?v=wwYXjxXFha0&feature=related
http://www.youtube.com/watch?v=DWDdNe_zx5A&feature=related
http://www.youtube.com/watch?v=wwYXjxXFha0&feature=related
http://www.youtube.com/watch?v=DWDdNe_zx5A&feature=related