Standard cross section of road: 40m standard cross section: 5m (sidewalk) + 6m (non motor vehicle lane) + 2m (flower belt) + 14m (motor vehicle lane) + 2m (flower belt) + 6m (non motor vehicle lane) + 5m (sidewalk); the current carriageway and non motor vehicle lane are cement concrete pavement. In order to improve driving comfort and reduce noise and dust pollution in the county.<br>
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