The comedian just narrowly missed hitting pedestrians and continued down the blocked-off street.

Cycling Action Network spokesperson Patrick Morgan said children hitting pedestrians on footpaths was rare.

Its mayor Andrew King said instances of cars hitting pedestrians had fallen by about half in the CBD.

Superintendent Steve Greally, national manager for road policing, said train drivers deserve to work without the fear of hitting pedestrians or cars.

Semiautonomous systems are becoming more common as our cars do everything from keep us in our lanes to prevent us from hitting pedestrians.