e) Chapter 5 Traffic Control at Single Intersection 5.2 Parameters in traffic signal control Cycle 路口最大通行能力 Cycle length 饱和流量 ost time Effective lost time 前损失时 损失时间 有效绿灯时间 red clearance or all-red walk interval, WALK. 时间 flashing don t walk, FDw pedestrian phase time5.2 Parameters in traffic signal control Cycle Cycle length Lost time Effective lost time Split red clearance or all-red walk interval，WALK, flashing don’t walk，FDW pedestrian phase time 有效绿灯时间 时间 路口最大通行能力 前损失时间 后损失时间 饱和流量 Chapter 5 Traffic Control at Single Intersection