I lived in a neighborhood that installed speed tables on my street after some 16 year-old kid was killed when he ran off the road into a tree (police determined he wasn't speeding - he just didn't know how to drive). The neighborhood homeowners association over-reacted to the tragedy and installed them without consulting the homeowners. What I experienced living in front of the speed tables is a huge increase in traffic noise and watched as just about everyone simply drag-raced between the speed tables on their way to/from home.
On top of that, which was worse, all I heard was the growling of everyone's engines accelerating - and then slowing - and then accelerating again - in-between each "bump". If it was a big truck or a old jalopy with a bad muffler, it was worse. It was even worse late at night when the noise could literally wake me up. Vroom. Thump - Thump. Vroom. Thump - Thump. Vroom. Thump - Thump. Are you with me!
What happened is that a previously quiet street turned into a very noisy one. And everyone turned into speed racer between bumps. I ended up selling that house because of the speed tables. My advice is if someone suggests putting them in in front of your house - tell them NO WAY!
