TBM will support one of the city's largest-ever public works projects, set to start in August the bore of a 2.25 mile, 12-ft-dia stormwater conveyance tunnel.
With fewer than 6 km left on the final Alpine drives, the $11.5-billion Brenner Base Tunnel shifts toward systems installation and a planned 2028 opening.
Municipal bulletins show enabling works expanding through the city center while designers refine plans for a 2-km underground section beneath its historic core