灰狗will call取票的问题！急〜

我订的是拉斯维加斯到盐湖城的晚上10点左右的票，提前1小时的话我晚上9点去还能取到票吗？

网站上是这么说的：

Please pick up tickets at the departure location no later than one hour prior to boarding. If you are traveling when the location is closed, tickets must be picked up in advance.

这是什么意思啊？拉斯维加斯灰狗车站能取到票吗？