A 100-ton hydraulic drill rig tipped over onto the street at the site of the Chicago Transit Authority's $2.1-billion Red/Purple line project. No injuries were reported and the cause of the incident is being investigated.
New advances in automation, data collection and the perils of too many pilot projects were the top line ideas at the first day of the 2021 ENR FutureTech conference.
Two U.S. senators seek details on what they call a "stalled" investigation into equipment maker's tax practices and what role, if any, Trump's attorney general played.