sentences:  This is so the Q59 can make a turn from the service road into the main road that would otherwise be illegal; it must do this in order to access the left-turn lane at Grand Avenue, which can only be served from the main road.The Q59 turns left at 56th Avenue and then right again into the Queens Boulevard main road, using the left-turn lane to turn left onto Grand Avenue.The Q59 continues down Grand Avenue until it turns into Grand Street, and goes straight down Grand Street until it reaches Union Avenue, where it turns right to go around the BQE.