Amtrak's funding boost paves way for White Sox chairman-in-waiting Justin Ishbia's South Loop vision

More than $600 million in federal grants announced Friday will help Amtrak relocate its Chicago maintenance facility from the South Loop to Bridgeport, paving the way for a new mega-development backed by potential White Sox chairman-in-waiting Justin Ishbia that could eventually grow to include a new stadium. Amtrak is putting most of its newly awarded Federal Railroad Administration funding toward a new Midwest Maintenance Facility at the current site of a Union Pacific rail yard in…