Controversial changes to reduce speed limits on residential Melbourne streets to 30km/h have been supported by a study from a major university.

Bike lane in Melbourne. Image: Afshin Jafari, RMIT UniversityReducing residential speed limits from 50 kilometres per hour (km/h) to 30 km/h would...

Bike lane in Melbourne. Image: Afshin Jafari, RMIT UniversityReducing residential speed limits from 50 kilometres per hour (km/h) to 30 km/h would...

Reducing residential speed limits from 50 kilometers per hour to 30 kph would significantly boost bicycle riding safety without majorly affecting car...

Reducing residential speed limits from 50 kilometers per hour to 30 kph would significantly boost bicycle riding safety without majorly affecting car...

Speed limits on roads in built-up and urban areas can only be changed where a majority of the elected members in a local authority vote to do so.

Speed limits on roads in built-up and urban areas can only be changed where a majority of the elected members in a local authority vote to do so.

One expert says a cyclist hit by a car travelling 50km/h has about a one-in-ten chance of surviving, while at 30km/h it was a nine-in-ten chance

One expert says a cyclist hit by a car travelling 50km/h has about a one-in-ten chance of surviving, while at 30km/h it was a nine-in-ten chance...

One expert says a cyclist hit by a car travelling 50km/h has about a one-in-ten chance of surviving, while at 30km/h it was a nine-in-ten chance...