Sydney motorists will have to be extra patient at traffic lights before turning, with red lights set to take longer to change.
A four-second leeway is set to be added to help pedestrians cross at 560 intersections in NSW, mainly in Sydney.
Roads Minister Duncan Gay says orange flashing lights will also be added to curb pedestrian accidents.
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Thirty-five pedestrians have died in Sydney this year, up eight from this time last year.
NSW is the first state to adopt these traffic measures.