guidepost
n. 路牌,路标
例句
We have a huge guidepost there and we're not going to violate that.
我们有一个巨大的向导而且我们不打算违背它。
Johnny: Every time I come to the corner. a guidepost says, 'School-Go Slow'.
约翰尼:每次我经过学校附近的拐角处,就见路牌上写着学校——缓行。
High-speed line are the guidepost, you can also buy their own maps reference.
高速全线都有指路牌的,你也可以自己买张地图做参考。