A.90%
B.91%
C.93%
D.95%
A.90%
B.91%
C.93%
D.95%
A.80%
B.85%
C.90%
D.95%
A.90%
B.93%
C.95%
D.97%
A.土质类型
B.交通负荷
C.气候条件
D.路基颜色
A.90%
B.93%
C.96%
D.98%
A.90%
B.93%
C.95%
D.97%
A.91%
B.93%
C.92%
D.94%
A.85%
B.90%
C.93%
D.95%
A.提升道路服务水平
B.改善交通条件
C.适应城市发展需求
D.美化城市景观