westbound

1. ADJ Westbound roads or vehicles lead to the west or are travelling toward the west. 向西的; 西行的[ADJ n]

Traffic is slow on westbound I-80. I-80号公路向西的车流行驶缓慢。

...the last westbound train to leave Chicago. ...驶离芝加哥的最后一趟西行火车。