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Why 30kph?
Why 30kph?
Safer for all road users
Quieter
Cleaner air
Less fuel consumption
Encourages walking and cycling
WHY NOT?
WHY NOT?
About 30 seconds longer on average to drive from East Balmain to Victoria Road
Struck Person Survival Rates
Struck Person Survival Rates
@30 kph: ~90% survive
@40 kph: ~60% survive
@50 kph: ~10% survive
Relative Accident Frequency
Relative Accident Frequency
@30 kph: 1
@40 kph: 4
@50 kph: 16
Net Relative Risk to Walkers and Cyclists
Net Relative Risk to Walkers and Cyclists
@30 kph: 1
@40 kph: 6
@50 kph: 144
European cities with 30 kph limits
European cities with 30 kph limits
Paris and Brussels: Have adopted 30 kph as the standard default speed limit in most city areas since 2021.
Amsterdam: Reduced its speed limit to 30 kph on 80% of its roads starting in December 2023.
Bologna: Enacted 30 kph as the default maximum speed on 70% of its streets in January 2024.
Bilbao: Has a 30 kph limit across the entire city.
Madrid: Has a 30 kph limit due to a new national law for urban roads in Spain.
Rome: The historic center has been designated a "Zona 30" with further extensions planned.
Wales: 18 months after introducing a 20 mph (≈32 kph) default limit in built-up and residential areas, data show about 25% fewer people injured in road crashes. By contrast, crashes on roads with limits of 40 mph (≈64 kph) and above fell by just 2%. Already, 14 deaths have been prevented, and nearly 100 serious injuries have been avoided.
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