Complex sentence: Set for construction in 2013, the "Knowledge Corridor high speed intercity passenger rail" project will cost approximately $1 billion and will terminate in New Haven and Springfield, while the ultimate northern terminus for the project is reported to be Montreal, Canada.
Split into simpler sentences: Set for construction in 2013, the "Knowledge Corridor high speed intercity passenger rail" project will cost approximately $1 billion. Although the Knowledge Corridor Line will terminate in New Haven and Springfield, the ultimate northern terminus for the project is reported to be Montreal, Canada.