As the old cliche goes, there are two seasons in Chicago: winter, and road construction.

But there’s a chill over the construction season in parts of the region as 20 projects totaling more than $50 million are now on hold — with their groundbreaking likely not happening until next year or beyond — amid an ongoing, year-long dispute between the Illinois Department of Transportation and the apparent low bidder on the jobs, Builders Paving LLC.

Those projects are planned for parts of Chicago and 30 suburbs, including: Arlington Heights, Aurora, Berwyn, Bloomingdale, Broadview, Buffalo Grove, Cicero, Des Plaines, Elburn, Elgin, Elk Grove Village, Glencoe, Kenilworth, Lincolnwood, Lockport, Lyons, Maywood, Morton Grove, Niles, North Riverside, Park Ridge, Riverwoods, Rosemont, St. Charles, S

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