My local newspaper's website has the front pages of various old editions of the paper, and among them was one with this image:
It shows a newly-installed traffic safety sign in Brooklyn, with counters for "Killed on streets yesterday", "Fatal accidents this year", and "Fatal accidents this [obscured]". However, unlike modern counters that typically have two digits for the year at most, this one has three digits for "yesterday", four for "this year", and two for the unknown one.
Were the streets of Brooklyn really dangerous enough in 1924 that you could reasonably expect upwards of a hundred people to die from collisions in a single day?