Project Description: The Gotthard Base Tunnel (GBT) which is 57 km / 35 mi, is the longest railway tunnel in Europe and represents the center piece of the New Rail Link through the Alps (NRLA) and provides a quicker, more reliable link between north and south Europe for both people and goods. Swiss Rail (SBB) is proud to be operating the longest railway tunnel in Europe. Oversaw the construction, design, and installation procedures for ETCS (European Train Control System) Beacons and how they would interface with ERTMS (European Rail Traffic Management Systems). The Planning and Configuration of 2500 Electrical cabinets and 10000 Lights. Cabling and connectivity of signalization and communication equipment and comms for 2 Multi-function stations with water points for fire-fighting and rescue trains and 4 Emergency stop stations, two per tunnel tube.