Intermediate control might imply one that isn't the start or the finish. Then there are information controls (hope you haven't got confused on the terminology). An info control is one where you collect a unique piece of information from a specific location to prove your passage but it isn't timed, like a normal control.
In what context?
Intermediate control might imply one that isn't the start or the finish. Then there are information controls (hope you haven't got confused on the terminology). An info control is one where you collect a unique piece of information from a specific location to prove your passage but it isn't timed, like a normal control.