Busy Rotorua intersection to get electronic speed signs 8 Apr, 2021 11:26 PM 3 minutes to read Waka Kotahi NZ Transport Agency has installed the electronic speed signs at the intersection of State Highway 30 and State Highway 33. Photo / Rotorua Lakes Council Waka Kotahi NZ Transport Agency has installed the electronic speed signs at the intersection of State Highway 30 and State Highway 33. Photo / Rotorua Lakes Council Rotorua Daily Post By: Supplied content Te Ngae Junction near Rotorua is set to become safer with the installation of an Intersection Speed Zone. Waka Kotahi NZ Transport Agency has installed the electronic speed signs at the intersection of State Highway 30 and State Highway 33 to help prevent deaths and serious injuries.