It's slow essentially and bound to travel in opposite directions (9)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

It’s slow, essentially, and bound to travel in opposite directions <s> LO <w> (“essentially” means middle letters only) + [+ *(BOUND) in [N (=north) + S (=south)]; “to travel” is the anagram indicator; “north” and “south” provide our opposite directions