In the Riksdag, Johansson was a member of the Transport Committee 1998–2005, the Constitution Committee 2006–2010 and the Riksdag Election Committee 2006–2010.
Johansson was a member of the Transport Committee in the Riksdag during the years 1998–2005, served on the Constitution Committee from 2006 to 2010, and participated in the Riksdag Election Committee from 2006 to 2010.