The Argyle and Grafton Shared Streetscape project is nearing the end of a 21-week construction period.

Underground tunnels have been a topic of fascination for many Nova Scotians for decades.

The Downtown Halifax Business Commission's executive director says with shovels expected in the ground by June for the Argyle and Grafton Shared Streetscape Project – with the tender having been awarded Tuesday – the street will soon become Halifax's own "big outdoor cafe."