Complex sentence: As of 2006, planning proceeded apace for an extension to Valparaiso, Indiana; however, the reliance on growth exceeding projections made the project unqualified for federal funding, and the NICTD was unsure whether it could attain trackage rights on the CN line to Valparaiso.
Split into simpler sentences: As of 2006, planning proceeded apace for an extension to Valparaiso, Indiana, but trouble was brewing. The newer plans relied on growth exceeding projections, which made the project unqualified for federal funding, and the NICTD was unsure whether it could attain trackage rights on the CN line to Valparaiso.