4d yet to utilise, at odds with possible occurrences (13) ?v?n?u???t?k?
20a airline lost Amiercan business to rail (10) ?????track
14d old eurpean reportedly went by horse the previous way (5,4)
???a? road
19d central eu ropean state (5) ???n?
just 3 left now ..... (4d is "eventualities")
20a - as earlier
14d is "roman road (thanks SandyRoe)
19d - as before
and lastly ....
21d to once count on having no deception (4) ??t?