Transit agency had two derailments and a track fire this summer; safety report cites 61 corrective actions, with multiple general managers since 2010 “incredibly disruptive."

The union that represents Chicago area ready-mix concrete truck drivers and owner-operators has been put into trusteeship by the Teamsters national organization. Its former president says it's part of a long-term attempt to take lucrative ready-mix contracts away from Local 786.

The city of Denver now estimates that the start of its Colorado Convention Center expansion will be delayed by at least a year and possibly longer, following an alleged bid-rigging scandal that derailed contractor selection late last year.