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"THE NSW government will conduct a review of 40km speed zones outside schools and investigate whether traffic lights and road bridges would be more effective at stopping accidents"
http://www.dailytelegraph.com.au/nsw-to-review-40km-speed-zones-outside-schools-to-see-whether-traffic-lights-and-road-bridges-would-help-stop-accidents/story-fn6e0s1g-1226128896276
"Would road bridges and traffic lights be more effective at stopping accidents?".......Dhhhhhh !!!