The Traffic Barrier-Transfer Machine Caltrans is studying the durability and performance of its Barrier-Transfer Machines, also known as “zippers.” Facebook Prev Article Next Article Engineering Checkout these cool gadgets... Related Posts The World’s Largest Wind Farm | China’s Future MegaProjects This Is the Engineering You’d Need to Cross the Pacific Ocean What If We Make A Tunnel Under The Ocean? Affordable housing? ByFusion turns waste plastic into RePlast bricks to make cheap homes Designing The Fastest Wheels in History Hyperloop Construction Begins, Will Transport Passengers at Speeds Up to 760MPH Between Cities