互通式立交
grade-separated interchange
Interflow flyover
cross jointing sections with each other
interchange
Intersection
三肢环形互通式立交
three limbs annular interchange
互通式立交最小间距
Minimum Distance between Interchanges
下穿式立交
underpass type interchange
组合式菱形立交
combined diamond interchange
下穿式立交桥
Under Bridge of Underpasses
分离式立交桥
separated interchange bridge
separated junction