Increase the area of road, means to make the road open, empty or have enough space to keep the car running on the road conveniently, smoothly. The
.- the shoulder to a narrow path to help broad street. And cars can avoid each other more easily
- construction channel traffic up more. This included Lane more
.Management of one way traffic system. The car can circulate on the road can be streamlined and reducing accident
- supply or supply, alternate routes or alternate path. To drain of the car in the main route into the
.- Construction of expressway, or shortcut for car or larger. In order not to enter the area in the city with the bus lot
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