2021 was our Year of Tunnelling. A year where we excavated massive caverns, stations, and twin tunnels. Take a look back at what was achieved on Cross River Rail during 2021. | Cross River Rail Delivery Authority

68K views · 318 reactions | There's more to tunnelling than just digging and how we line each of our twin tunnels with reinforced concrete panels, is more fascinating than you might realise. The technology used to do this is well worth a watch and it's all summed up in our latest video about how we're delivering Brisbane's new underground. | Cross River Rail Delivery Authority | Facebook

The completion of the Crossrail tunnelling is an important milestone in one of Britain's great engineering projects. Infrastructure projects like these are vital for a modern, competitive economy and delivering more jobs and more security for people across the country. | David Cameron