Opponents fear "ovens that run around on four wheels, delivering pizzas" could soon take over the streets.
The incident involved a car and a truck.
Police say they were following the vehicle, but not pursuing.
The crash happened just after 4am.
The 11-year-old wasn't wearing a helmet, and there were no adults around.
Police are searching for the driver.
Four people lost their lives on the roads overnight.
Brake NZ wants speed limits dropped to 30km/h.
Julie Anne Genter says it's time to make lower speeds around schools "the default".