Discussion
Speed kills (pedestrians, cyclists, children and even the occasional motorist!)
‘Authorities hopes the restrictions will address concerns that residential areas are not experiencing the same improvements in safety seen on larger roads.’
https://www.theguardian.com/world/2026/sep/02/japan-new-speed-limit-30kmh-narrow-city-streets
#Driving #SpeedLimits #Cyclists #Pedestrians #Children #RoadSafety #Japn
It's worth noting that when Brussels did something similar the average commute time went down. It turns out that driving quickly between places you stop doesn't actually make a measurable improvement on your overall journey time but (as queuing theory predicts) the extra slowing down and speeding up reduces the throughput at traffic lights.
@david_chisnall Bus lanes on the M25 had a similar effect, albeit at higher speeds. Speed management improves flow, reducing the delay ‘shocks’ due to heavy braking and acceleration.
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