westbound

adv

1. (not-comparable)Towards the west; in a westerly direction.

   “He was driving westbound on the George Washington Bridge.”

adj

1. (not-comparable)Which is, or will be, moving towards the west.

   “Westbound traffic was blocked for miles.”

   “[...] at each station the train times are not shown in one all-embracing chronological list, but in two separate sheets, one with a conspicuous band of yellow detailing westbound departures and the other with a similar band of blue the eastbound trains.”