CMS Tracker's Midnight Ride (IMAGE) DOE/Fermi National Accelerator Laboratory Caption The CMS tracker at CERN traveled Wednesday, Dec. 12, from the Meyrin site to Point 5. It traveled at night to minimize traffic impact. The Tracker was lowered into the cavern Thursday, Dec. 13, and will be installed into CMS on Saturday, Dec. 15. Credit Image courtesy Michael Hoch, Adventure Art. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.