duckybsd 发表于 2012-8-29 17:06
明白了 谢谢。。。这个貌似连RAA的那本交规都没有说到,汗。。。
It just means that during mon-fri 7:30am-9:30am the green arrow light will not come on at all... when it is out of those time the green arrow light will come on however it is not guaranteed that it will be on every single time |