Torstensson was re-elected to the Riksdag in the 2006 general election. On 6 October 2006 she was selected to become Minister for Infrastructure in the Cabinet of Fredrik Reinfeldt. After the 2010 general election she left the cabinet and returned to the Riksdag.
Torstensson was re-elected to the Swedish Parliament in 2006. On October 6, 2006, she was appointed Minister of Infrastructure in Fredrik Reinfeldt's government. After the 2010 election, she left the cabinet and returned to the Riksdag.