Dubbed ā€œone of the most complex tunneling projects in the U.K.,ā€ the Bond Street Station Upgrade (BSSU) project is being carried out to satisfy growing traffic demands within Londonā€™s busiest shopping district, the West End. Upon its completion, Bond Street Stationā€™s daily passenger numbers are expected to rise from 155,000 to 225,000. A project this complex in…