Amid the sounds of celebratory car horns and a parade of Philadelphia's beloved sports mascots, the Interstate 95 highway triumphantly reopened on Friday, restoring flow to the East Coast’s most critical artery just 12 days after a devastating tanker fire collapsed a section in Northeast Philadelphia. At the forefront of this engineering challenge has been Buckley & Co., a Philadelphia-based company run for decades by Drexel alumnus Bob Buckley.