How Aussie Engineers Are Building the 14KM Tonkin Highway Over a Swamp

✨Welcome to the channel "Ultimate Mega Builds"✨ How Aussie Engineers Are Building the 14KM Tonkin Highway Over a Swamp. Western Australia is transforming its primary freight and transit corridors with the massive $1 billion Tonkin Highway Extension and Stephenson Avenue project. Stretching 14 kilometres from Thomas Road to South Western Highway, civil engineers are building a high-capacity dual carriageway directly across a saturated coastal floodplain. Discover how Main Roads WA and project alliances are overcoming extreme subgrade challenges, constructing grade-separated interchanges under live traffic, and launching massive bridges over electrified rail lines. This is the engineering reality behind one of Australia’s most ambitious infrastructure transformations. ⏰CHAPTERS⏰ ► 0:00 – THE $1 BILLION HIGHWAY BEING BUILT ACROSS WESTERN AUSTRALIA’S WATERLOGGED FLOODPLAIN. 2:20 – THE 14 KM TONKIN HIGHWAY EXTENSION: BUILDING ON UNSTABLE GROUND. 5:23 – $200 MILLION FREIGHT UPGRADE: TRANSFORMING PERTH’S INDUSTRIAL BOTTLENECKS. 7:26 – THE $288 MILLION STEVENSON AVENUE MEGA INTERCHANGE. 10:04 – THE SHOCK DISCOVERY: EXCAVATORS HIT BURIED INDUSTRIAL ASBESTOS. 12:45 – THE $90 MILLION BUS INTERCHANGE BUILT ABOVE PERTH’S RAIL NETWORK. ✅ Follow me on social media ► 💠Instagram: https://www.instagram.com/ultimate_mega_builds/ 💠YouTube: https://www.youtube.com/@UltimateMegaBuilds 📧 For business inquiries: [email protected] 📧 💖Thank you for watching this video, 👇 click the "🆂🆄🅱🆂🅲🆁🅸🅱🅴" button to stay connected with this channel. 💖💚 🔗Subscription Link: https://www.youtube.com/@UltimateMegaBuilds Enjoy the video, and may your life be filled with joy and be well! ✨ #tonkinhighway #perth #australia #westernaustralia #highway #motorway #road #roads #construction #engineering #civilengineering #infrastructure #megaproject #megabuild #constructionproject #roadconstruction #highwayconstruction #bridge #bridges #bridgeconstruction #tunnel #transport #transportation #traffic #freight #freighttransport #heavyconstruction #constructionwork #constructionlife #engineeringproject #engineeringmarvel #infrastructureproject #roadproject #earthworks #excavation #heavyequipment #constructionequipment #roadbuilding #urbanplanning #smartfreeway #perthconstruction #australianengineering #australiaconstruction #megaengineering #engineering #technology #innovation #geology #drainage #ultimatemegabuilds