Glossary of United Kingdom Railway Terms - W

W

• Warship: D600 or D800 class diesel-hydraulic locomotives, most of which were named after Royal Navy vessels.

• Wessie: British Rail Class 442 electric multiple unit – from the "Wessex Electric" brand name used at launch.

• Western: British Rail Class 52 - diesel hydraulic type 4 locomotive, 74 of which ran on BR between 1961 and 1977. All were named in a series beginning "Western...". Seven of the class have been preserved.

• Whistler: British Rail Class 40 diesel-electric locomotive, from the turbocharger sound; this nickname is also occasionally applied to British Rail Class 20 locomotives.

• Wizzo: British Rail Class 52 - diesel-hydraulic type 4 locomotive, 74 of which ran on BR between 1961 and 1977.

• Woolworth: South Eastern and Chatham Railway N class 2-6-0 steam locomotives, built at Woolwich Arsenal.

• Worst or WorstGroup: derogatory nickname for FirstGroup, especially on First Great Western ('Worst Late Western') and First Capital Connect (Worst Crapital Disconnect) or First Hull Trains (Worst Hell Trains), because they are often lambasted for their poor performance, delays, overcrowding and cancellations.