Should the Illinois Tollway keep spending this $25 million?

Unbowed, the Illinois Tollway is forging ahead with a $25 million environmental study launched last year to help officials determine if the proposed toll road is needed to handle growth in Lake, northern Cook and eastern McHenry counties. The 25-mile extension would link up Arlington Heights in Cook County to Grayslake in Lake County, and widen a stretch of Route 120…