- When the tunnel network plan was first approved by parliamentarians in 2022, construction costs were estimated to total closer to $180-million.
A planned new tunnel network is set to connect the Centre Block and other buildings on Parliament Hill with precinct buildings south of Wellington Street. The Hill Times photograph by Andrew Meade
- When the tunnel network plan was first approved by parliamentarians in 2022, construction costs were estimated to total closer to $180-million.
- When the tunnel network plan was first approved by parliamentarians in 2022, construction costs were estimated to total closer to $180-million.