| ACSES | Advanced Civil Speed Enforcement System initially developed by Alstom (1, 1, 1, 1, 1) |
| CORADIA | Name for family of Alstom diesel multiple units (7) |
| OSSHD | The Organisation for Co-Operation of Railways initially managed railway transport in Eastern Bloc countries (1, 1, 1, 1, 1) |
| ASLEF | Train drivers' union - initially (1, 1, 1, 1, 1) |
| MARRS | 1987 one-hit wonder group formed by the collaboration of AR Kane and Colourbox (1-1-1-1-1) |
| ICOBS | InterCity On Board Services - so to speak (1, 1, 1, 1, 1) |
| EASBR | Ealing & Shepherds Bush Railway, familiarly (1, 1, 1, 1, 1) |
| GNAWS | Worries caused by Great Northern Automatic Warning System initially (5) |
| ENIAC | Early programmable computer initially developed during WWII |
| BURST | Bicycle initially developed rust and blowout |
| DRAGS | Trails behind a doctor with a good system, initially (5) |
| AUDIO | A sound system initially annoys Ursula's dad in orchestra (5) |
| GOODS | Excellent system initially used for stocks in store |
| RUNTS | Weaklings work the system initially (5) |
| BOLTS | Locking devices bring out large training systems initially |
| DIVORCE | 1975 No.1 hit spoof song by Billy Connolly (1-1-1-1-1-1-1) |
| PRODUCTIONVALUE | 3+1+1+2+1+3+1+1+1+1, for a word meaning "manufacturing" |
| QUARTER | 1+1+1+1=1 (7) |
| FEAR | Ian Brown spelt out his problem (1-1-1-1) |
| USSR | A former federal socialist state in northern Eurasia that existed from 1922 to 1991 (1, 1, 1, 1) |
