![](http://www.alamy.com/thumbs/6/E08D6BC2-EC9F-41F6-91AF-AF4E788E1742/2B25XXW.jpg)
Speed 30 zone on the Herner Strasse, street, in Bochum, for air pollution control, Germany,
Size: 7952px × 5304px
Location: Bochum, Germany
Photo credit: © Jochen Tack / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 30, air, ban, bochum, calming, cars, city, climate, control, diesel, downtown, driving, environmental, exhaust, herner, hour, km/, limit, limits, maximum, mobility, nitrogen, oxide, passenger, pollution, protection, riemke, road, roadway, rush, sign, speed, strasse, traffic, values, vehicles, zone