Answer: midstream

AnswerCrossword Clue
MIDSTREAMNo horse-changing place
MIDSTREAMWhile underway
MIDSTREAMCenter line of a sort.
MIDSTREAMBad place to change horses.
MIDSTREAMCurrent location?
MIDSTREAMPerfectly halfway from either bank
MIDSTREAMIn the thick of things
MIDSTREAMIn the channel, often
midstreamthe middle part of a stream
midstreamThe middle of a stream or river