Two-Speed Crossword

Across: 1 Petrol pumps; 9 Berated; 10 Crows; 11 Try on; 12 Evening; 13 Affray; 15 Likely; 18 Taxicab; 20 Flags; 22 Route; 23 Rossini; 24 Betting slip. Down: 2 Early; 3 Rotunda; 4 Ledger; 5 Uncle; 6 Promise; 7 Abstract art; 8 As ugly as sin; 14 Fixture; 16 Infests; 17 Oberon; 19 Cleft; 21 Alibi.