But a four-way intersection is the exact opposite of a cul-de-sac, even in a small neighborhood. The only people that will ever drive to the end of a cul-de-sac are the owners or visitors of the three or four houses that are at the cul-de-sac.
You underestimate the perverseness of teenagers in loud cars.
Plus we have a huge amount of local cops in the area at all times to the point I have to warn uber drivers that if they speed they are going to get pulled over, guaranteed.