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I found this a little harder than usual from Quixote. Solving time: 27 mins.
Notes on some clues below – happy to explain others if asked.
< = reversed * = anagram
ACROSS
9 GATEMAN Nametag< Good misleading definition “Traffic controller”
10 NUPTIA L(ad) (put in a)* ad = notice
15 M ILK BAR ilk = type mbar = millibar
21 AC (CURS) T
22 MO NIKE R
DOWN
1 PORT V ALE Football League team. ‘drunk’ is a containment indicator for the v = very
3 MEAN Double definition
5 A SPIRE
7 Desperate DAN (from Dandy comic) GER MAN
13 C (EPHAS) (shape)* A name in another language for St Peter, I think, so this is an &lit
20 LA (R) NE In Northern Ireland, associated in particular with the short Larne- Stranraer crossing to Scotland.