Hit the brakes: slowing existing motorised traffic

摘要: Abstract This chapter explains the importance of reducing speed motorised traffic as an alternative to policies that have sought adapt city and its citizens speed. The examines various approaches speed, including posted limits 30 km/h (or 20 mph) or lower (either alone in combination with other measures), physical calming involving changes street widths, alignments vertical profiles. An is psychological calming, which involves using non-physical cues encourage drivers slow down. concept ‘self-explaining roads’, road design tells story how should behave, outlined. also holistic danger, such Vision Zero, has aim zero deaths through crashes. Finally, we consider safety implications potential implementation autonomous vehicles emphasise again, whether vehicle a driver not, critical issue for active travel users