<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Major works have commenced on the Torrens to Darlington section of Australia's largest infrastructure project, the non-stop South Road motorway in South Australia. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The $15.4 billion project aims to eliminate 21 sets of traffic lights, potentially reducing peak hour travel times by up to 40 minutes.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Deep delivery sites are now underway in preparation for the arrival of two 90-metre-long tunnel boring machines. These machines, designed in Germany and manufactured in China, will construct the first twin tunnels, stretching 4.5 kilometres.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/qantas-sorry-qantas-could-face-121m-fine-for-sackings/12b0d293-051a-4ee9-ac25-0a9155da476b"><strong><span>'Sorry' Qantas could face $121m fine for sacking workers</span></strong></a><strong><span></span></strong></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A 35-metre deep launch box is being excavated ahead of the machines' delivery within months.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"The machines are 90 metres long and five storeys high and they all come together like a Lego system almost," official Matt Lewis said. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The assembly of each machine is estimated to take approximately five months.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/south-australia-south-road-infrastructure-project-milestone/b021bfed-b910-423a-9da7-1b9b13971b74" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>During peak construction, the southern precinct alone is estimated to employ around 550 workers, while the entire Torrens to Darlington project is anticipated to support more than 5000 jobs.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>While two lanes of South Road are intended to remain open during construction, some closures may occur during off-peak times. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"You can't make an omelette without breaking some eggs," Premier Peter Malinauskas said. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"We're a government that's very conscious of the fact that during this project of this size and complexity, of course there's going to be a degree of disruption."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The project is scheduled for completion in 2031.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><em><span>This article was produced with the assistance of</span></em><span> </span><a href="https://www.9news.com.au/technology/9express/16480c33-636a-461f-9c4f-d0e2522c722a"><em><span>9ExPress</span></em></a><em><span>.</span></em></div></div>