Press Release – New Zealand Transport Agency The completion of improvements to State Highway 20B marks a significant milestone to support clean, green transport networks in southwest Auckland and will improve public transport options for getting to and from Auckland Airport. The State Highway 20B Early Improvements project has added new lanes in each direction for buses and T3 vehicles to share. A shared path for people on foot and bikes will provide locals and commuters with more transport options for getting to the airport, work, schools and shops. “This project is a great step along the way to reducing carbon emissions as it gives people cleaner, more environmentally friendly and efficient transport options,” says Waka Kotahi National Manager Infrastructure Delivery Andrew Thackwray.