Johnson was pulled over just after midnight in Hamilton County, Indiana, and charged with speeding and possession of marijuana.
The 24-year-old Johnson, who signed with the Colts prior to the 2007 season and came into camp as a backup but moved into a starter's role after Anthony "Booger" McFarland sustained a season-ending knee injury in training camp, was the only Indianapolis lineman to start in each of the 16 games last season.
The Penn State product finished the 2007 campaign eighth on the team with 63 tackles. Johnson also recorded a sack, forced a fumble and recovered a fumble last season.
(Copyright 2005 by The Sports Network)