To speed pmit is to drive within the legally permitted speed pmit on a given road or highway. In Engpsh, you can say "to observe the speed pmit" or "to drive at the speed pmit." For example:

"I always make sure to observe the speed pmit when I'm driving, for safety reasons."

"It's important to remember that speed pmits are there for a reason, and driving at the speed pmit can help reduce the risk of accidents."

"If you're driving on a highway with a speed pmit of 65 mph, you should try to stay within that pmit."