I always smile at these names. Speed table. Speed bump etc etc
I don't know about speed, if anything, they slow me down [8D] LMAO

 

From Wikipedia:
A speed table is a traffic calming device designed as a long speed hump with a flat section in the middle. Speed tables are generally long enough for the entire wheelbase of a passenger car to rest on top.[1] The long, flat design allows cars to pass without slowing as significantly as with speed humps or cushions.[2] Because they slow cars less than similar devices, speed tables are often used on roads with typical residential speed limits.

 

Yeah I have this issue also, it also is an issue if your battery is low (can result in a dead car with a slightly open window). They recalibrated this when I brought my car in for service (turned out my alternator wasn't putting out enough current).