Complex sentence: It was redeveloped as a scalable application and launched in June 2006 as a pilot in Welwyn Hatfield, and by 2007 was rolled out across all districts in Hertfordshire.
Split into simpler sentences: It was redeveloped as a scalable application and launched in June 2006 as a pilot in Welwyn Hatfield. By 2007 it was rolled out across all districts in Hertfordshire.