Retrieved from <a href="http://www.edinburgh.gov.uk/downloads/file/7820/south_central_edinburgh_20mph_limit_pilot_evaluation_2013" target="_blank">http://www.edinburgh.gov.uk/downloads/file/7820/south_central_edinburgh_20mph_limit_pilot_evaluation_2013</a> [accessed 18 January 2018]Research into the effectiveness of the pilot 20mph speed limit in south Edinburgh that began in March 2012 produced similar results, concluding that:
The average speed of vehicles on streets, provided with a 20mph speed limit, has dropped by an average of 1.9mph from 22.8mph to 20.9mph.