![Locations of the three backbone roads [inner ring road (black); middle... | Download Scientific Diagram Locations of the three backbone roads [inner ring road (black); middle... | Download Scientific Diagram](https://www.researchgate.net/publication/312598247/figure/fig1/AS:941869030723591@1601570484519/Locations-of-the-three-backbone-roads-inner-ring-road-black-middle-ring-road-red.gif)
Locations of the three backbone roads [inner ring road (black); middle... | Download Scientific Diagram
![Bypass, inner ring road, city highway Bochum, bridge construction waterway A448, Donetsk ring, Bochum, Ruhr area, North Rhine-Westphalia, Germany, Eur Stock Photo - Alamy Bypass, inner ring road, city highway Bochum, bridge construction waterway A448, Donetsk ring, Bochum, Ruhr area, North Rhine-Westphalia, Germany, Eur Stock Photo - Alamy](https://c8.alamy.com/comp/J73RPJ/bypass-inner-ring-road-city-highway-bochum-bridge-construction-waterway-J73RPJ.jpg)
Bypass, inner ring road, city highway Bochum, bridge construction waterway A448, Donetsk ring, Bochum, Ruhr area, North Rhine-Westphalia, Germany, Eur Stock Photo - Alamy
![Night view of the illuminated elevated inner ring road and overpass connecting West Yan'an Road and Xi'an Road during rush hours in the evening in Hua Stock Photo - Alamy Night view of the illuminated elevated inner ring road and overpass connecting West Yan'an Road and Xi'an Road during rush hours in the evening in Hua Stock Photo - Alamy](https://c8.alamy.com/comp/2AHA20F/night-view-of-the-illuminated-elevated-inner-ring-road-and-overpass-connecting-west-yanan-road-and-xian-road-during-rush-hours-in-the-evening-in-hua-2AHA20F.jpg)