| 摘要 |
<p>A road traffic facility and a construction method therefor are provided. The traffic facility comprises: a main road; a branch road crossing with the main road, which is provided with a staightgoing overpass connecting path crossing and intersecting the main road; two turnaround ramps for the branch road, which are located on both sides of the main road respectively and intersects the overpass connecting path, and two ends of each of which are respectively arranged on traffic lanes of left and right sides of the branch road; and two fishhook type turning span ramp, each of which is arranged on the main road on two sides of the overpass connecting path respectively and intersects the main road, and each of which includes two ends of access bridges on the traffic lanes of two sides of the main road and a middle of arc shape overpass. Alternatively, the straightgoing overpass connecting path can be an overpass bridge, or an underground tunnel.</p> |
