An Open Access Journal
From: Overcoming the barriers to implementing urban road user charging schemes
City | % change NOx | % change PM10 | Notes |
---|---|---|---|
London | −13% | −15% | Change between 2002 and 2003 [74] |
Milan | −17% | −18% | Before and after the scheme implementation [7] |
Rome | – | −11% | Change in mean values between 2001 and 2004. [Unpublished Internal Report] |
Stockholm | −8% | −13% | Following the trial period, Jan–July 2006, Inner City [68]. |