When the 7 train comes to an emergency stop, the tiled wall beside the tracks read Grand Central, but on the platform the pillars read 96 Street.
In Ben's taxi there's a rubber shark snout with teeth hanging from the rearview mirror. Ben is also the name of the fisherman in Jaws, whose decapitated head pops out underwater. Taxi driver Ben is even dressed similarly to the fisherman character in Jaws. In this movie taxi driver Ben is played by Judd Hirsch, who starred on the 70s-80s TV show Taxi, along with Christopher Lloyd and Danny DeVito.