菱形互通式立交信号设计手册的英文

signal design manual for diamond interchanges

• 菱形:    rhombus; lozenge; ...
• 互通:    interflow
• 式:    type; style
• 信号:    signal; semaphore; ...
• 设计:    devise; project; p ...
• 手册:    handbook; manual; ...