![Dirty boulevard: why Paris's ring road is a major block on the city's grand plans | Cities | The Guardian Dirty boulevard: why Paris's ring road is a major block on the city's grand plans | Cities | The Guardian](https://i.guim.co.uk/img/static/sys-images/Guardian/Pix/pictures/2015/6/24/1435141863372/74d1f61e-b00b-46dd-a07b-a513fc06ffeb-2060x1236.jpeg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTUucG5n&s=c1e3f1dd79bd41d1bd60d0084edc5bd5)
Dirty boulevard: why Paris's ring road is a major block on the city's grand plans | Cities | The Guardian
![A view shows the Boulevard Peripherique (Paris' ring road) and the A1 motorway without traffic at Porte de la Chapelle in Paris, France, November 30, 2015 due to the opening day events A view shows the Boulevard Peripherique (Paris' ring road) and the A1 motorway without traffic at Porte de la Chapelle in Paris, France, November 30, 2015 due to the opening day events](https://c8.alamy.com/comp/2CM6662/a-view-shows-the-boulevard-peripherique-paris-ring-road-and-the-a1-motorway-without-traffic-at-porte-de-la-chapelle-in-paris-france-november-30-2015-due-to-the-opening-day-events-at-the-world-climate-change-conference-2015-cop21-reutersbenoit-tessier-2CM6662.jpg)
A view shows the Boulevard Peripherique (Paris' ring road) and the A1 motorway without traffic at Porte de la Chapelle in Paris, France, November 30, 2015 due to the opening day events
![Paris, France, High Angle, Ring Road, Highway Traffic, Boulevard Peripherique, Porte de Vincennes Stock Photo - Alamy Paris, France, High Angle, Ring Road, Highway Traffic, Boulevard Peripherique, Porte de Vincennes Stock Photo - Alamy](https://c8.alamy.com/comp/2J4XEGA/paris-france-high-angle-ring-road-highway-traffic-boulevard-peripherique-porte-de-vincennes-2J4XEGA.jpg)