Complex sentence: In 2001 the Welsh Government looked the way in which Trunk Roads and Motorways were being managed, and by September 2004, they had decided to reduce the number of trunk road agencies from eight down to three.
Split into simpler sentences: In 2001 the Welsh Government reviewed the way in which Trunk Roads and Motorways were managed. In September 2004, the Government decided to reduce the existing number of agencies from eight down to three.