The approach ramp is a double deck roadway structure . 该引桥坡道是双层公路桥。
2.
B 160m of dual 2 - lane approach ramp of piled in - situ deck construction for connecting to existing roads in the lok ma chau control point ; 120m of two - lane overbridge for passenger vehicles 兴建一条160米长,现场基桩桥面施工的双程双线分隔接驳斜道,以连接高架引道至落马洲控制站的现有路面